[Elecraft] PowerWerx switching supply
Jasper - NE9U
skjasper at att.net
Fri Jul 31 15:57:48 EDT 2015
Thought i'd post a followup to my question about the quietness of this supply....
Bought one a couple weeks ago....
At least in my installation it seems quiet as a mouse....
Scott ne9u
Sent from my C64
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>Today's Topics:
>
> 1. Re: P3 vs SDR-IQ (John Kramer)
> 2. Re: P3 vs SDR-IQ (dmb at lightstream.net)
> 3. Re: P3 vs SDR-IQ (John Kramer)
> 4. Re: SideKar vs PX3 More (steve)
> 5. Re: P3 TX mon (Dr. William J. Schmidt, II)
> 6. Re: P3 vs SDR-IQ (Joe Subich, W4TV)
> 7. Re: P3 vs SDR-IQ (Phil Wheeler)
> 8. Australia trip (Thaire Bryant)
> 9. Hi Res K3S+P3 Studio Picture (1920x1080) available for
> download (Eric Swartz - WA6HHQ, Elecraft)
> 10. (K3S) Transferring configuration from K3 (Terry Schieler)
> 11. Re: P3 vs SDR-IQ (John Kramer)
> 12. KPA presents high SWR to rig (Deepak VU2CDP)
> 13. [OT} Running a KX3 station from a holiday trailer (Al Sather)
> 14. Re: P3 vs SDR-IQ (Jim Brown)
> 15. Re: [OT} Running a KX3 station from a holiday trailer (Bob N3MNT)
> 16. Re: [OT} Running a KX3 station from a holiday trailer (Al Sather)
> 17. Re: P3 TX mon (W4CCS)
> 18. Re: [OT} Running a KX3 station from a holiday trailer (Jim Brown)
> 19. KX3 Suite for Sale (Patrick Taylor via Elecraft)
> 20. Re: P3 vs SDR-IQ (Walter Underwood)
> 21. Re: KPA presents high SWR to rig (Guy Olinger K2AV)
> 22. Re: Australia trip (Phil Anderson)
> 23. Re: Incremental build /design suggestions? (Kevin Cozens)
> 24. Re: KPA presents high SWR to rig (Deepak VU2CDP)
> 25. Re: Incremental build /design suggestions? (Bob McGraw - K4TAX)
> 26. Re: Incremental build /design suggestions? (Jim Brown)
> 27. Re: Incremental build /design suggestions? (Don Wilhelm)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Fri, 31 Jul 2015 15:57:26 +0200
>From: John Kramer <jkramer at iafrica.com>
>To: Wayne Burdick <n6kr at elecraft.com>
>Cc: Joe Word <n9vx.joe at gmail.com>, elecraft at mailman.qth.net, "Eric
> Swartz - WA6HHQ, Elecraft" <eric at elecraft.com>
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID: <B431DE41-90DB-40B9-8129-30C50BAFC492 at iafrica.com>
>Content-Type: text/plain; charset=windows-1252
>
>Wayne
>
>Apologies, I have never seen a P3 in action before, I live too far away from locations
>that have regular hamfests. Maybe I should go and watch some youtube clips.
>I just thought the basic architecture in the P3 would be the same as my
>PX3.
>But, reading your last two paragraphs, tells me the issue I have with my PX3
>also happens on the P3 - In tracking mode averaging info is reset the moment
>you tune. I find this loss of averaging when tuning, to be totally counter
>intuitive when trying to home in on a signal. It?s difficult to see a station,
>and find where you are trying to tune to, when the display loses its averaging.
>
>Thanks for the good work at Elecraft, and your quick response
>
>73
>John, ZS5J C91J A25J
>
>
>
>
>
>
>
>On 31 Jul 2015, at 3:42 PM, Wayne Burdick <n6kr at elecraft.com> wrote:
>
>John,
>
>The P3 and PX3 use entirely different interfaces to the radio. The P3 taps into the K3/K3S 8.2 MHz I.F., while the PX3 uses a baseband I/Q signal from the KX3. While both methods provide the basic benefits of a panadapter, the P3's implementation provides higher performance, using more expensive hardware, and is priced accordingly.
>
>The P3 is incredibly smooth in its tuning and presentation, and the unit is widely regarded as one of best panadapters available. Averaging, fixed-tune mode, noise blanking, peak detection and its many other features are all free of any sort of tuning noise or artifacts.
>
>If you're in "fixed-tune" mode, where the VFO/filter cursor moves across the screen, averaging information is preserved. There is no increase in the noise floor, no matter how fast you tune.
>
>In "tracking" mode, where the VFO/filter cursor stays fixed at the center of the screen, averaging information is reset when you tune. This has always been the case, but I'll mention this to our panadapter design staff and see if it might be possible to preserve the averaging data in tracking mode.
>
>In any case, I hope you can observe a P3 in action sometime.
>
>73,
>Wayne
>N6KR
>
>
>On Jul 31, 2015, at 1:13 AM, John Kramer <jkramer at iafrica.com> wrote:
>
>> I think I know what Joe is getting at?.and I agree with him, if I understand him correctly. When he refers to ?noise floor?
>> he means that he loses averaging when he tunes, resulting in the crazy spectrum display (what Joe refers to as noise).
>>
>> I haven?t seen or used a P3, but I bought my first Elecraft products 3 weeks ago - a KX3 and PX3. If the P3 behaves in the
>> same manner as the PX3 then I can see what Joe is complaining about. Right out the box my PX3 had this frustrating
>> feature of losing averaging the moment you spun the VFO on the KX3. I pointed this out to a local KX3/PX3 owner, and
>> he told me to download the latest firmware which allows you to select ?fixed mode? or ?fixed track?. I downloaded the
>> firmware. YES, it kinda fixes the problem?.you can now tune the radio and KEEP the averaging?.but the problem is
>> that now your receive filter goes down the display as you tune. This is better than the previous method, however
>> you now have your receive filter heavily offset from the centre of the display. You might tune down the band, with your
>> RX filter at the bottom of the scale, and you are now unable to see much below, but you can see a huge chunk of
>> the band above you.
>>
>> I bought the KX3 and PX3 for portable ops. My main rigs for the past 5 years are Flex rigs. I have the 5000/3000/1500
>> and will be getting a 6500 soon as my shack rigs. With these rigs and PSDR, your RX filter REMAINS CENTRED and when
>> you tune around the band, you DON?T LOSE your averaging. This is how I like it to be, and if Elecraft can achieve this
>> in a firmware update, I would be very happy.
>>
>> 73
>> John, ZS5J
>>
>>
>>
>>
>>
>> On 31 Jul 2015, at 2:56 AM, Eric Swartz - WA6HHQ, Elecraft <eric at elecraft.com> wrote:
>>
>> Hi Joe - Do you have signal averaging turned on to reduce the noise floor? If you do, it has to stop averaging when the freq is being changed while tuning, temporarily raising the noise floor slightly. It then re-starts multi-pass averaging once you stop tuning. This is normal for signal averaging. I run with averaging set =2 or 3 passes. When I tune I barely notice a small increase in the noise floor.
>>
>> If you have a lot of local pulse noise, you might want to turn on the P3s NB function to help.
>>
>> If Averaging is turned off, I can't think of a normal scenario where the noise floor would go up when tuning the band. It certainly does not here.
>>
>> Anyone else have any ideas?
>>
>> 73,
>>
>> Eric
>> /elecraft.com/
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to n6kr at elecraft.com
>
>
>
>
>------------------------------
>
>Message: 2
>Date: Fri, 31 Jul 2015 10:15:51 -0400 (EDT)
>From: "dmb at lightstream.net" <dmb at lightstream.net>
>To: "John Kramer" <jkramer at iafrica.com>
>Cc: Joe Word <n9vx.joe at gmail.com>, elecraft at mailman.qth.net
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID:
> <50345.71.74.118.201.1438352151.squirrel at mail.expedient.net>
>Content-Type: text/plain;charset=iso-8859-1
>
>John,
>
>It's true that in Fixed tune mode when you cross the boundary at either
>end of the current span, the screen refreshes to the new span and you lose
>your waterfall history. But in Tracking mode, don't you lose waterfall
>history each time you tune?
>
>Regarding your PX3, have you tried positioning MKR A on the signal of
>interest, and then tapping the 'SELECT' knob on the PX3 to instantly take
>you there? By doing that, you won't lose track of that signal. If you
>decide you want to go back, push and hold the 'SELECT' knob to return to
>your previous frequency.
>
>73, Dale
>WA8SRA
>
>>
><snipped /> And also, in Fixed mode, when
>> it reaches the
>> end of the display, it jumps back to the middle, and refreshes the
>> waterfall - so any waterfall
>> history that you had, is lost :(
>> I have never used a Flex 6000 series radio, but I have been using, and
>> still have the 5000A,
>> 3000 and 1500. The system they use works just the way I want it - the RX
>> filter remains centred
>> in the display, and when you tune, the averaging remains on at all times.
>>
>> 73
>> John, ZS5J
>>
>>
>
>
>
>------------------------------
>
>Message: 3
>Date: Fri, 31 Jul 2015 16:27:03 +0200
>From: John Kramer <jkramer at iafrica.com>
>To: "dmb at lightstream.net" <dmb at lightstream.net>
>Cc: Joe Word <n9vx.joe at gmail.com>, elecraft at mailman.qth.net
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID: <51D6CE0E-EA80-4C1F-9934-1C5136E8220E at iafrica.com>
>Content-Type: text/plain; charset=windows-1252
>
>Dale
>
>See, there are limitations to both tracking and fixed modes.
>1. Yes, in tracking mode you don?t lose your waterfall - BUT you lose your
>averaging when you tune.
>2. If you want averaging to stay on all the time - tuning or not, then you can
>choose ?fixed?, but then the limitation with that mode, is that your VFO
>filter moves along the display, drops off the edge, and refreshes the
>waterfall history.
>
>I would like to see a combination of both, which is the way it works with
>Flex and PSDR - VFO receive filter remains centred, and does not move off to
>one side?.and at the same time, while tuning, averaging remains on all
>the time.
>
>Yes, I have tried the MKR option, but find it quite fiddly, lots of knob pushing to
>achieve something, so I generally don?t use it.
>
>73
>John, ZS5J C91J A25J
>
>
>
>
>
>
>On 31 Jul 2015, at 4:15 PM, dmb at lightstream.net wrote:
>
>John,
>
>It's true that in Fixed tune mode when you cross the boundary at either
>end of the current span, the screen refreshes to the new span and you lose
>your waterfall history. But in Tracking mode, don't you lose waterfall
>history each time you tune?
>
>Regarding your PX3, have you tried positioning MKR A on the signal of
>interest, and then tapping the 'SELECT' knob on the PX3 to instantly take
>you there? By doing that, you won't lose track of that signal. If you
>decide you want to go back, push and hold the 'SELECT' knob to return to
>your previous frequency.
>
>73, Dale
>WA8SRA
>
>>
><snipped /> And also, in Fixed mode, when
>> it reaches the
>> end of the display, it jumps back to the middle, and refreshes the
>> waterfall - so any waterfall
>> history that you had, is lost :(
>> I have never used a Flex 6000 series radio, but I have been using, and
>> still have the 5000A,
>> 3000 and 1500. The system they use works just the way I want it - the RX
>> filter remains centred
>> in the display, and when you tune, the averaging remains on at all times.
>>
>> 73
>> John, ZS5J
>>
>>
>
>
>
>
>------------------------------
>
>Message: 4
>Date: Fri, 31 Jul 2015 10:43:38 -0400
>From: steve <sm.shearer.01 at gmail.com>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] SideKar vs PX3 More
>Message-ID: <55BB899A.10208 at gmail.com>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>Brian, Thank you for the link...
>the last time I looked at the netbooks the price was high... Or
>discontinued.
>I use MINT (replacement for xp) on my "full" sized old laptop and it
>runs fldigi and wsjtx just fine (and USB sound card) and speed is about
>the same, too.
>Mint (linux) works the KX3 and PX3 utilities, also.
>It would be nice to have a smaller computer.
>
>73, steve WB3LGC
>
>
>On 30-Jul-15 8:40 AM, brian wrote:
>> It seems this dilemma can be solved by something like a 10" screen
>> WINDOWs laptop. You get display, keyboard, the ability to run
>> FLDIGI. They probably run on batteries as long as the rig et al. A
>> few years ago I had an ACER aspire 1 (?). It ran everything I tried
>> including sound card stuff.
>>
>> Here is one for about $125.
>>
>> http://www.amazon.com/Acer-AOA150-1447-8-9-Inch-Processor-Sapphire/dp/B001EYV9TM
>>
>>
>> 73 de Brian/K3KO
>>
>>
>
>
>
>------------------------------
>
>Message: 5
>Date: Fri, 31 Jul 2015 09:49:52 -0500
>From: "Dr. William J. Schmidt, II" <bill at wjschmidt.com>
>To: W4CCS <W4CCS at W4CCS.COM>
>Cc: "<Elecraft at mailman.qth.net>" <Elecraft at mailman.qth.net>
>Subject: Re: [Elecraft] P3 TX mon
>Message-ID: <31C5388B-FA31-485B-ACFC-ECA5B0FAB425 at wjschmidt.com>
>Content-Type: text/plain; charset=utf-8
>
>Interesting. I wondered how this worked. My P3TXMON was shipped this week so ill get to play with it soon, but one would think the scale would be adjustable so that whatever power is seen, you could make that the full scale. This is just a scaling issue. Otherwise running the KPA500 with the 2000 watt sensor will only use one-quarter of the scale. Obviously the digital display still works right because no scaling is involved.
>
>
>Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ
>
>Owner - Operator
>Big Signal Ranch ? K9ZC
>Staunton, Illinois
>
>Owner ? Operator
>Villa Grand Piton - J68HZ
>Soufriere, St. Lucia W.I.
>Rent it: www.VillaGrandPiton.com
>
>email: bill at wjschmidt.com
>
>
>> On Jul 31, 2015, at 8:29 AM, W4CCS <W4CCS at W4CCS.COM> wrote:
>>
>> Received the P3 TXMON option yesterday.. Took about 10 minutes to install
>> and works flawless.. THANKS Elecraft..!!
>>
>>
>>
>> The only drawback I see is the lack of the option to set full scale at 1500
>> watts and not 2000 watts.. Just a personal preference But all is good..
>>
>>
>>
>> Clyde Scott - W4CCS
>>
>> Moultrie, GA - EM81cg
>>
>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to bill at wjschmidt.com
>
>
>------------------------------
>
>Message: 6
>Date: Fri, 31 Jul 2015 11:03:28 -0400
>From: "Joe Subich, W4TV" <lists at subich.com>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID: <55BB8E40.9080305 at subich.com>
>Content-Type: text/plain; charset=utf-8; format=flowed
>
>
>> It?s difficult to see a station, and find where you are trying to
>> tune to, when the display loses itsaveraging.
>
>As a long time user of the P3, I strenuously disagree with that
>assessment.
>
>73,
>
> ... Joe, W4TV
>
>
>On 2015-07-31 9:57 AM, John Kramer wrote:
>> Wayne
>>
>> Apologies, I have never seen a P3 in action before, I live too far away from locations
>> that have regular hamfests. Maybe I should go and watch some youtube clips.
>> I just thought the basic architecture in the P3 would be the same as my
>> PX3.
>> But, reading your last two paragraphs, tells me the issue I have with my PX3
>> also happens on the P3 - In tracking mode averaging info is reset the moment
>> you tune. I find this loss of averaging when tuning, to be totally counter
>> intuitive when trying to home in on a signal. It?s difficult to see a station,
>> and find where you are trying to tune to, when the display loses its averaging.
>>
>> Thanks for the good work at Elecraft, and your quick response
>>
>> 73
>> John, ZS5J C91J A25J
>>
>>
>>
>>
>>
>>
>>
>> On 31 Jul 2015, at 3:42 PM, Wayne Burdick <n6kr at elecraft.com> wrote:
>>
>> John,
>>
>> The P3 and PX3 use entirely different interfaces to the radio. The P3 taps into the K3/K3S 8.2 MHz I.F., while the PX3 uses a baseband I/Q signal from the KX3. While both methods provide the basic benefits of a panadapter, the P3's implementation provides higher performance, using more expensive hardware, and is priced accordingly.
>>
>> The P3 is incredibly smooth in its tuning and presentation, and the unit is widely regarded as one of best panadapters available. Averaging, fixed-tune mode, noise blanking, peak detection and its many other features are all free of any sort of tuning noise or artifacts.
>>
>> If you're in "fixed-tune" mode, where the VFO/filter cursor moves across the screen, averaging information is preserved. There is no increase in the noise floor, no matter how fast you tune.
>>
>> In "tracking" mode, where the VFO/filter cursor stays fixed at the center of the screen, averaging information is reset when you tune. This has always been the case, but I'll mention this to our panadapter design staff and see if it might be possible to preserve the averaging data in tracking mode.
>>
>> In any case, I hope you can observe a P3 in action sometime.
>>
>> 73,
>> Wayne
>> N6KR
>>
>>
>> On Jul 31, 2015, at 1:13 AM, John Kramer <jkramer at iafrica.com> wrote:
>>
>>> I think I know what Joe is getting at?.and I agree with him, if I understand him correctly. When he refers to ?noise floor?
>>> he means that he loses averaging when he tunes, resulting in the crazy spectrum display (what Joe refers to as noise).
>>>
>>> I haven?t seen or used a P3, but I bought my first Elecraft products 3 weeks ago - a KX3 and PX3. If the P3 behaves in the
>>> same manner as the PX3 then I can see what Joe is complaining about. Right out the box my PX3 had this frustrating
>>> feature of losing averaging the moment you spun the VFO on the KX3. I pointed this out to a local KX3/PX3 owner, and
>>> he told me to download the latest firmware which allows you to select ?fixed mode? or ?fixed track?. I downloaded the
>>> firmware. YES, it kinda fixes the problem?.you can now tune the radio and KEEP the averaging?.but the problem is
>>> that now your receive filter goes down the display as you tune. This is better than the previous method, however
>>> you now have your receive filter heavily offset from the centre of the display. You might tune down the band, with your
>>> RX filter at the bottom of the scale, and you are now unable to see much below, but you can see a huge chunk of
>>> the band above you.
>>>
>>> I bought the KX3 and PX3 for portable ops. My main rigs for the past 5 years are Flex rigs. I have the 5000/3000/1500
>>> and will be getting a 6500 soon as my shack rigs. With these rigs and PSDR, your RX filter REMAINS CENTRED and when
>>> you tune around the band, you DON?T LOSE your averaging. This is how I like it to be, and if Elecraft can achieve this
>>> in a firmware update, I would be very happy.
>>>
>>> 73
>>> John, ZS5J
>>>
>>>
>>>
>>>
>>>
>>> On 31 Jul 2015, at 2:56 AM, Eric Swartz - WA6HHQ, Elecraft <eric at elecraft.com> wrote:
>>>
>>> Hi Joe - Do you have signal averaging turned on to reduce the noise floor? If you do, it has to stop averaging when the freq is being changed while tuning, temporarily raising the noise floor slightly. It then re-starts multi-pass averaging once you stop tuning. This is normal for signal averaging. I run with averaging set =2 or 3 passes. When I tune I barely notice a small increase in the noise floor.
>>>
>>> If you have a lot of local pulse noise, you might want to turn on the P3s NB function to help.
>>>
>>> If Averaging is turned off, I can't think of a normal scenario where the noise floor would go up when tuning the band. It certainly does not here.
>>>
>>> Anyone else have any ideas?
>>>
>>> 73,
>>>
>>> Eric
>>> /elecraft.com/
>>>
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to n6kr at elecraft.com
>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to lists at subich.com
>>
>
>
>------------------------------
>
>Message: 7
>Date: Fri, 31 Jul 2015 08:36:20 -0700
>From: Phil Wheeler <w7ox at socal.rr.com>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID: <55BB95F4.5060400 at socal.rr.com>
>Content-Type: text/plain; charset=utf-8; format=flowed
>
>I agree with Joe. My usage of the P3 and the PX3
>is 100% fixed-tune mode, and I find both the P3
>and PX3 to work very well for me. They do differ
>in amplitude scale in A-B comparisons, but this is
>compensated for by scale adjustments.
>
>I've never really found a situation where Tracking
>mode is helpful, but maybe I'm missing something.
>
>73, Phil W7OX
>
>On 7/31/15 8:03 AM, Joe Subich, W4TV wrote:
>>
>>> It?s difficult to see a station, and find where
>>> you are trying to
>>> tune to, when the display loses itsaveraging.
>>
>> As a long time user of the P3, I strenuously
>> disagree with that
>> assessment.
>>
>> 73,
>>
>> ... Joe, W4TV
>>
>>
>> On 2015-07-31 9:57 AM, John Kramer wrote:
>>> Wayne
>>>
>>> Apologies, I have never seen a P3 in action
>>> before, I live too far away from locations
>>> that have regular hamfests. Maybe I should go
>>> and watch some youtube clips.
>>> I just thought the basic architecture in the P3
>>> would be the same as my
>>> PX3.
>>> But, reading your last two paragraphs, tells me
>>> the issue I have with my PX3
>>> also happens on the P3 - In tracking mode
>>> averaging info is reset the moment
>>> you tune. I find this loss of averaging when
>>> tuning, to be totally counter
>>> intuitive when trying to home in on a signal.
>>> It?s difficult to see a station,
>>> and find where you are trying to tune to, when
>>> the display loses its averaging.
>>>
>>> Thanks for the good work at Elecraft, and your
>>> quick response
>>>
>>> 73
>>> John, ZS5J C91J A25J
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 31 Jul 2015, at 3:42 PM, Wayne Burdick
>>> <n6kr at elecraft.com> wrote:
>>>
>>> John,
>>>
>>> The P3 and PX3 use entirely different
>>> interfaces to the radio. The P3 taps into the
>>> K3/K3S 8.2 MHz I.F., while the PX3 uses a
>>> baseband I/Q signal from the KX3. While both
>>> methods provide the basic benefits of a
>>> panadapter, the P3's implementation provides
>>> higher performance, using more expensive
>>> hardware, and is priced accordingly.
>>>
>>> The P3 is incredibly smooth in its tuning and
>>> presentation, and the unit is widely regarded
>>> as one of best panadapters available.
>>> Averaging, fixed-tune mode, noise blanking,
>>> peak detection and its many other features are
>>> all free of any sort of tuning noise or artifacts.
>>>
>>> If you're in "fixed-tune" mode, where the
>>> VFO/filter cursor moves across the screen,
>>> averaging information is preserved. There is no
>>> increase in the noise floor, no matter how fast
>>> you tune.
>>>
>>> In "tracking" mode, where the VFO/filter cursor
>>> stays fixed at the center of the screen,
>>> averaging information is reset when you tune.
>>> This has always been the case, but I'll mention
>>> this to our panadapter design staff and see if
>>> it might be possible to preserve the averaging
>>> data in tracking mode.
>>>
>>> In any case, I hope you can observe a P3 in
>>> action sometime.
>>>
>>> 73,
>>> Wayne
>>> N6KR
>>>
>>>
>>> On Jul 31, 2015, at 1:13 AM, John Kramer
>>> <jkramer at iafrica.com> wrote:
>>>
>>>> I think I know what Joe is getting at?.and I
>>>> agree with him, if I understand him correctly.
>>>> When he refers to ?noise floor?
>>>> he means that he loses averaging when he
>>>> tunes, resulting in the crazy spectrum display
>>>> (what Joe refers to as noise).
>>>>
>>>> I haven?t seen or used a P3, but I bought my
>>>> first Elecraft products 3 weeks ago - a KX3
>>>> and PX3. If the P3 behaves in the
>>>> same manner as the PX3 then I can see what Joe
>>>> is complaining about. Right out the box my PX3
>>>> had this frustrating
>>>> feature of losing averaging the moment you
>>>> spun the VFO on the KX3. I pointed this out to
>>>> a local KX3/PX3 owner, and
>>>> he told me to download the latest firmware
>>>> which allows you to select ?fixed mode? or
>>>> ?fixed track?. I downloaded the
>>>> firmware. YES, it kinda fixes the problem?.you
>>>> can now tune the radio and KEEP the
>>>> averaging?.but the problem is
>>>> that now your receive filter goes down the
>>>> display as you tune. This is better than the
>>>> previous method, however
>>>> you now have your receive filter heavily
>>>> offset from the centre of the display. You
>>>> might tune down the band, with your
>>>> RX filter at the bottom of the scale, and you
>>>> are now unable to see much below, but you can
>>>> see a huge chunk of
>>>> the band above you.
>>>>
>>>> I bought the KX3 and PX3 for portable ops. My
>>>> main rigs for the past 5 years are Flex rigs.
>>>> I have the 5000/3000/1500
>>>> and will be getting a 6500 soon as my shack
>>>> rigs. With these rigs and PSDR, your RX filter
>>>> REMAINS CENTRED and when
>>>> you tune around the band, you DON?T LOSE your
>>>> averaging. This is how I like it to be, and if
>>>> Elecraft can achieve this
>>>> in a firmware update, I would be very happy.
>>>>
>>>> 73
>>>> John, ZS5J
>
>
>
>------------------------------
>
>Message: 8
>Date: Fri, 31 Jul 2015 15:44:57 -0000
>From: "Thaire Bryant" <w2apf at myfairpoint.net>
>To: <qrp-l at mailman.qth.net>, <elecraft at mailman.qth.net>,
> <GQRP at yahoogroups.com>, <collins at listserve.com>
>Subject: [Elecraft] Australia trip
>Message-ID: <[email protected]>
>Content-Type: text/plain; charset="us-ascii"
>
>I will be traveling in and near Australia for the month of August and plan
>to operate /p and /mm with a KX3.
>
>My dates and locations are below. I would appreciate hearing of any Radio
>related events (club meetings,
>
>boot sales, flea markets, etc) that I might be able to attend. Thanks in
>advance for any info provided.
>
>
>
>August 4-9 Sydney
>
>August 9-11 Cairns
>
>August 11-14 Ayers Rock
>
>August 14 Alice Springs
>
>August 15 Perth
>
>August 16-30 /mm as C6APF region 3 NW of Australia and near 4W and YB.
>
>
>
>73 es TU
>
>
>
>Thaire W2APF
>
>
>
>------------------------------
>
>Message: 9
>Date: Fri, 31 Jul 2015 09:04:49 -0700
>From: "Eric Swartz - WA6HHQ, Elecraft" <eric at elecraft.com>
>To: Elecraft Reflector Reflector <Elecraft at mailman.qth.net>
>Subject: [Elecraft] Hi Res K3S+P3 Studio Picture (1920x1080) available
> for download
>Message-ID: <55BB9CA1.7000107 at elecraft.com>
>Content-Type: text/plain; charset=utf-8; format=flowed
>
>A cool new 1920x1080 high-res studio picture of the K3S with P3 available for
>download.
>
>Its perfect for use on hi-res desktop monitors for wallpaper backgrounds etc.
>and can be easily resized for others. Its the same picture (but in higher res)
>as the new K3S picture we have just added to our main web page at
>http://elecraft.com
>
>A link to it this high-res version will be up on our K3S product web page
>shortly, but I've also included a temporary direct link here that will be it
>available for the next week or two. (When you go this link, click on "Download"
>to get the larger full resolution version.
>
>https://elecraft.egnyte.com/dl/0EtirEAPf9/k3s_wallpaper.jpg_
>
>73,
>Eric
>/elecraft.com/
>
>
>
>------------------------------
>
>Message: 10
>Date: Fri, 31 Jul 2015 11:04:28 -0500
>From: "Terry Schieler" <w0fm at swbell.net>
>To: <elecraft at mailman.qth.net>
>Subject: [Elecraft] (K3S) Transferring configuration from K3
>Message-ID: <005901d0cbaa$94a9f6f0$bdfde4d0$@net>
>Content-Type: text/plain; charset="us-ascii"
>
>Elecraft has advised me that my new K3S will be shipping in several days. I believe I recall some comments here regarding saving my current K3 configuration to the K3 Utility in order to transfer it to the new K3S. Seems like the suggestion some time back was to change the serial number in the K3 configuration to the serial number of the new K3S then upload that saved configuration to the K3S. That seems straight forward enough. But wasn't there some kind of disclaimer comment regarding what would and would not transfer. Can anyone please clarify this for me. Thanks.
>
>73,
>
>Terry, W0FM
>
>------------------------------
>
>Message: 11
>Date: Fri, 31 Jul 2015 18:09:41 +0200
>From: John Kramer <jkramer at iafrica.com>
>To: Phil Wheeler <w7ox at socal.rr.com>
>Cc: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID: <4F5A827E-4C4E-4EA6-88FB-034828A689C8 at iafrica.com>
>Content-Type: text/plain; charset=utf-8
>
>Phil
>
>So?.you?re okay using ?fixed tune? where your VFO window moves off-centre, and heads off
>towards the edge of the screen - at this point you can?t see whats ahead of you because you?re
>near the edge of the pan adapter. If you go any further, you fall off the edge, and it plonks you back
>in the centre, the waterfall refreshes, and you lose your waterfall history. That?s okay ?
>
>Wouldn?t it be better if your VFO window remained centred in the pan adapter, even if you tuned up
>the band ? so you can see equally whats going on above and below your frequency ? Yes, you can
>do that in tracking mode?but then we get back to the issue of it resetting and removing the
>averaging feature.
>If you haven?t tried an SDR radio that can do both - ?fixed" and ?tracking" at the same time, perhaps
>you should try, and see what you?re missing out on. If the clever guys at Elecraft can come up with
>a firmware update that will allow you to do both?simultaneously, would you choose to rather have your
>VFO window jump off the edge every time you get to the end, as in ?fixed tune? ? Perhaps they could
>give us a menu choice of all three options - ?fixed tune?, ?tracking? and ?fixed tracking?. Would you stifle
>the opportunity of having this menu choice ?
>
>I better stop, I?m starting to feel like I?m repeating myself :-) Have a good weekend fella?s.
>
>73
>John
>
>
>
>
>
>
>
>On 31 Jul 2015, at 5:36 PM, Phil Wheeler <w7ox at socal.rr.com> wrote:
>
>I agree with Joe. My usage of the P3 and the PX3 is 100% fixed-tune mode, and I find both the P3 and PX3 to work very well for me. They do differ in amplitude scale in A-B comparisons, but this is compensated for by scale adjustments.
>
>I've never really found a situation where Tracking mode is helpful, but maybe I'm missing something.
>
>73, Phil W7OX
>
>On 7/31/15 8:03 AM, Joe Subich, W4TV wrote:
>>
>>> It?s difficult to see a station, and find where you are trying to
>>> tune to, when the display loses itsaveraging.
>>
>> As a long time user of the P3, I strenuously disagree with that
>> assessment.
>>
>> 73,
>>
>> ... Joe, W4TV
>>
>>
>> On 2015-07-31 9:57 AM, John Kramer wrote:
>>> Wayne
>>>
>>> Apologies, I have never seen a P3 in action before, I live too far away from locations
>>> that have regular hamfests. Maybe I should go and watch some youtube clips.
>>> I just thought the basic architecture in the P3 would be the same as my
>>> PX3.
>>> But, reading your last two paragraphs, tells me the issue I have with my PX3
>>> also happens on the P3 - In tracking mode averaging info is reset the moment
>>> you tune. I find this loss of averaging when tuning, to be totally counter
>>> intuitive when trying to home in on a signal. It?s difficult to see a station,
>>> and find where you are trying to tune to, when the display loses its averaging.
>>>
>>> Thanks for the good work at Elecraft, and your quick response
>>>
>>> 73
>>> John, ZS5J C91J A25J
>>>
>>>
>>>
>>>
>
>
>
>------------------------------
>
>Message: 12
>Date: Fri, 31 Jul 2015 21:59:22 +0530
>From: Deepak VU2CDP <vu2cdp at gmail.com>
>To: elecraft at mailman.qth.net
>Subject: [Elecraft] KPA presents high SWR to rig
>Message-ID:
> <CADiSzvzQ-9i-rnZo7=7FaMSokBJ56b+P_UD2Oxv_ACqcWc5bNw at mail.gmail.com>
>Content-Type: text/plain; charset=UTF-8
>
>Hi all,
>
>Using KPA-500 with an FT 2k. All was well until last weekend when suddenly
>the rig shows high SWR when i put the amp in OPER mode. The SWR checks out
>fine on the rig's in-built meter when the amp is in STBY mode. But cannot
>get the rig to key the amp as the needle on the rig's meter swings wildly
>to the right the moment i put the amp in Operate.
>
>I saw a couple of posts in the archives similar to mine but could't find
>any solutions from them. Can anyone help in identifying the cause of such
>behaviour and the fix?
>
>73,
>Deepak VU2CDP
>
>
>------------------------------
>
>Message: 13
>Date: Fri, 31 Jul 2015 09:35:11 -0700
>From: Al Sather <apsather at shaw.ca>
>To: elecraft at mailman.qth.net
>Subject: [Elecraft] [OT} Running a KX3 station from a holiday trailer
>Message-ID: <55BBA3BF.4070808 at shaw.ca>
>Content-Type: text/plain; charset=utf-8; format=flowed
>
>Greetings
>
>I know this is a bit of topic but I this this list has the expertise to
>give me good answers.
>
>My station is a KX3-KXPA100 with a PX3. I have a quiet, to me, 30 amp
>switching power and a 2000 watt Honda generator that generates some, but
>not objectionable noise. The NB on the KX3 clears that up totally. I
>also have a 20 amp liner Astron power supply but it is heavy, bulky for
>use in a small trailer. And, it may be light for running an amp.
>I course I do not need to run it at 100 watts, either.
>
>I am trying to decide if it best to operate from the trailer's AC or
>directly from the batteries.
>And, if I use the batteries alone are there precautions I need to take.
>
>Of course, if available I would use "shore power". The AC from the
>trailer seems to be adequate when running with or without "shore power"
>or with my generator.
>
>I guess my real concern is the issue of using DC directly, and what
>should happen for protecton between my batteries and station.
>
>73, Al ve7ear
>
>
>------------------------------
>
>Message: 14
>Date: Fri, 31 Jul 2015 09:51:39 -0700
>From: Jim Brown <jim at audiosystemsgroup.com>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID: <55BBA79B.2050902 at audiosystemsgroup.com>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>On Fri,7/31/2015 6:08 AM, Joe Word wrote:
>> 1. I am using Tracking mode and have Averaging set at 14. I want to see the
>> SSB pattern smoothly and not like an O'scope. I always slow the pattern
>> down to see clearly the transmitted bandwidth and treble/bass balance.
>
>So your primary interest is the quality of the other guy's signal?
>
>> 2. I do not use Fixed mode, If I am tuning up the band I want to see whats
>> ahead, in Fixed mode you can not. But the scope pattern stays '"clean" in
>> Fixed mode, I wish it stayed "clean" in Tracking mode. When I say "clean" I
>> mean Averaging does not revert back to 0 while tuning.
>
>What you want is not possible -- Averaging is working on the IF signal.
>We can choose to always center it, or tune across it. When we tune in
>Tracking Mode, it MUST begin averaging again.
>
>Suggestion: If you have not already done so, assign several Span widths
>and functions to the soft F-keys: What I find useful are 2 kHz, 10 kHz,
>20 kHz, 60 kHz, 100 kHz, 200 kHz, Peak (Toggle On/Off), Fixed (Toggle
>On/Off). Once you've done this, try looking a bit wider as you tune. You
>may find that you can see things (like stations splattering).
>
>The P3 is a VERY versatile instrument. It's worth studying the Operating
>Manual to see all of the tools available. If you know what you're doing,
>it's possible to make some high precision, calibrated measurements.
>
>73, Jim K9YC
>
>
>
>
>------------------------------
>
>Message: 15
>Date: Fri, 31 Jul 2015 10:01:29 -0700 (MST)
>From: Bob N3MNT <bob at hogbytes.com>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] [OT} Running a KX3 station from a holiday
> trailer
>Message-ID: <1438362089254-7605602.post at n2.nabble.com>
>Content-Type: text/plain; charset=us-ascii
>
>I have run the exact same configuration from the TT battery with no issue.
>Pull power directly from the battery with both legs ( 12V and gnd) fused. I
>generally run about 40W as I have had little need to run more. You will
>need to monitor battery voltage so as not to pull the battery too low. I
>have not run from battery with power to the trailer as I expect some noise
>from the convertor. If I have shore power, I run from my switching supply.
>
>
>
>--
>View this message in context: http://elecraft.365791.n2.nabble.com/OT-Running-a-KX3-station-from-a-holiday-trailer-tp7605600p7605602.html
>Sent from the Elecraft mailing list archive at Nabble.com.
>
>
>------------------------------
>
>Message: 16
>Date: Fri, 31 Jul 2015 10:07:46 -0700
>From: Al Sather <apsather at shaw.ca>
>To: Bill <k4yjj at nfarl.org>, elecraft at mailman.qth.net
>Subject: Re: [Elecraft] [OT} Running a KX3 station from a holiday
> trailer
>Message-ID: <55BBAB62.2080708 at shaw.ca>
>Content-Type: text/plain; charset=utf-8; format=flowed
>
>I should also add that I have approximately a 10 foot run of #8 wire
>running from the batteries to the inside of the trailer, hoping I would
>not have a significant voltage drop. This will terminate with a PP
>distribution block. Total wire run should be less than 16 feet and
>closer to 12 feet.
>Al
>
>On 7/31/2015 9:49 AM, Bill wrote:
>> The issue from running direct to battery is voltage drop to your
>> KX100. You need 13.8v minimum to get full power out of the KX100. I
>> run my KX3 and 857D out of a class B Sprinter and have had to resort
>> to a power supply run from shore power (or my Honda 2KW) generator to
>> get really clean power at adequate voltage levels. I have a direct
>> line from my PP distribution block to my batteries, but the batteries
>> will not power either rig at full output power.
>>
>> Bill k4yjj
>>
>> On Fri, Jul 31, 2015 at 12:35 PM, Al Sather <apsather at shaw.ca
>> <mailto:apsather at shaw.ca>> wrote:
>>
>> Greetings
>>
>> I know this is a bit of topic but I this this list has the
>> expertise to give me good answers.
>>
>> My station is a KX3-KXPA100 with a PX3. I have a quiet, to me, 30
>> amp switching power and a 2000 watt Honda generator that generates
>> some, but not objectionable noise. The NB on the KX3 clears that
>> up totally. I also have a 20 amp liner Astron power supply but it
>> is heavy, bulky for use in a small trailer. And, it may be light
>> for running an amp.
>> I course I do not need to run it at 100 watts, either.
>>
>> I am trying to decide if it best to operate from the trailer's AC
>> or directly from the batteries.
>> And, if I use the batteries alone are there precautions I need to
>> take.
>>
>> Of course, if available I would use "shore power". The AC from the
>> trailer seems to be adequate when running with or without "shore
>> power" or with my generator.
>>
>> I guess my real concern is the issue of using DC directly, and
>> what should happen for protecton between my batteries and station.
>>
>> 73, Al ve7ear
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>> <mailto:Elecraft at mailman.qth.net>
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to bcobb10b at gmail.com <mailto:bcobb10b at gmail.com>
>>
>>
>> No virus found in this message.
>> Checked by AVG - www.avg.com <http://www.avg.com>
>> Version: 2015.0.6086 / Virus Database: 4392/10345 - Release Date: 07/31/15
>>
>
>
>
>------------------------------
>
>Message: 17
>Date: Fri, 31 Jul 2015 13:07:56 -0400
>From: "W4CCS" <W4CCS at W4CCS.COM>
>To: "'Dr. William J. Schmidt, II'" <bill at wjschmidt.com>
>Cc: Elecraft at mailman.qth.net
>Subject: Re: [Elecraft] P3 TX mon
>Message-ID: <[email protected]>
>Content-Type: text/plain; charset="UTF-8"
>
>Yes, the full scale is adjustable to 200 w, 700w, 1200w, and 2000w.. Maybe a future firmware update will include an Auto option that will select whatever power level it sees like most power meters have. I have mine set to 2000w because I run a Command tech amp on 6m, but when I?m running the K3 by itself, the bar display is very low.. However, the digital readout indicates the correct power.
>
>
>
>CCS
>
>
>
>From: Dr. William J. Schmidt, II [mailto:bill at wjschmidt.com]
>Sent: Friday, July 31, 2015 10:50 AM
>To: W4CCS
>Cc: <Elecraft at mailman.qth.net>
>Subject: Re: [Elecraft] P3 TX mon
>
>
>
>Interesting. I wondered how this worked. My P3TXMON was shipped this week so ill get to play with it soon, but one would think the scale would be adjustable so that whatever power is seen, you could make that the full scale. This is just a scaling issue. Otherwise running the KPA500 with the 2000 watt sensor will only use one-quarter of the scale. Obviously the digital display still works right because no scaling is involved.
>
>
>
>Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ
>
>
>
>Owner - Operator
>
>Big Signal Ranch ? K9ZC
>
>Staunton, Illinois
>
>
>
>Owner ? Operator
>
>Villa Grand Piton - J68HZ
>
>Soufriere, St. Lucia W.I.
>
>Rent it: www.VillaGrandPiton.com
>
>
>
>email: bill at wjschmidt.com
>
>
>
>
>On Jul 31, 2015, at 8:29 AM, W4CCS <W4CCS at W4CCS.COM> wrote:
>
>Received the P3 TXMON option yesterday.. Took about 10 minutes to install
>and works flawless.. THANKS Elecraft..!!
>
>
>
>The only drawback I see is the lack of the option to set full scale at 1500
>watts and not 2000 watts.. Just a personal preference But all is good..
>
>
>
>Clyde Scott - W4CCS
>
>Moultrie, GA - EM81cg
>
>
>
>______________________________________________________________
>Elecraft mailing list
>Home: http://mailman.qth.net/mailman/listinfo/elecraft
>Help: http://mailman.qth.net/mmfaq.htm
>Post: mailto:Elecraft at mailman.qth.net
>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html
>Message delivered to bill at wjschmidt.com
>
>
>
>------------------------------
>
>Message: 18
>Date: Fri, 31 Jul 2015 10:16:16 -0700
>From: Jim Brown <jim at audiosystemsgroup.com>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] [OT} Running a KX3 station from a holiday
> trailer
>Message-ID: <55BBAD60.5000404 at audiosystemsgroup.com>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>On Fri,7/31/2015 9:35 AM, Al Sather wrote:
>> Greetings
>>
>> I know this is a bit of topic but I this this list has the expertise
>> to give me good answers.
>>
>> My station is a KX3-KXPA100 with a PX3. I have a quiet, to me, 30 amp
>> switching power and a 2000 watt Honda generator that generates some,
>> but not objectionable noise.
>
>Great generator, lots of them in our club. There's a fix for the noise.
>
>http://nccc.cc/pdf/CQP-RFI2013-2.pdf addresses this and a lot of other
>noise sources.
>
>
>> The NB on the KX3 clears that up totally. I also have a 20 amp liner
>> Astron power supply but it is heavy, bulky for use in a small trailer.
>> And, it may be light for running an amp.
>> I course I do not need to run it at 100 watts, either.
>>
>> I am trying to decide if it best to operate from the trailer's AC or
>> directly from the batteries.
>> And, if I use the batteries alone are there precautions I need to take.
>> Of course, if available I would use "shore power". The AC from the
>> trailer seems to be adequate when running with or without "shore
>> power" or with my generator.
>>
>> I guess my real concern is the issue of using DC directly, and what
>> should happen for protecton between my batteries and station.
>
>Since 2004, I've been running all my gear on big 12V deep discharge
>batteries that I "float charge" with a regulated supply set for about 14
>VDC.
>
> I've never found the need for any protection in line with the gear. We
>do the same on FD, except that we use solar panels to charge the battery.
>
>One thing I have run into with a K3 running from the 12V system in my
>2006 Toyota Sequoia (big SUV). I was operating 6M with the motor off,
>and decided to start it. That somehow interrupted power to the K3 for a
>few seconds, which caused a microprocessor to lose its place. To get it
>going, I had to remove it from the 12V line and let it sit for a while
>(10-15 minutes).
>
>The K3 doesn't like its power to be interrupted. The root cause of the
>problem is that when you turn a K3 off using the front panel, it writes
>its current operating conditions to RAM. When you interrupt power with
>the K3 running, it can't do that.
>
>I don't know how this might relate to the KX3.
>
>73, Jim K9YC
>
>
>
>------------------------------
>
>Message: 19
>Date: Fri, 31 Jul 2015 17:27:33 +0000 (UTC)
>From: Patrick Taylor via Elecraft <elecraft at mailman.qth.net>
>To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>Subject: [Elecraft] KX3 Suite for Sale
>Message-ID:
> <1583059846.6653799.1438363653314.JavaMail.yahoo at mail.yahoo.com>
>Content-Type: text/plain; charset=UTF-8
>
>I just ordered a K3s so I?want to sell my KX3 (fully loaded with all options including 2 m,MH3 mike, ant tuner, etc.). Also PX3 and KXPA100 (with ant tuner). Prefer sales in Metro Philly area, but will consider shipping. Please contact W3HVG off list.
>
>------------------------------
>
>Message: 20
>Date: Fri, 31 Jul 2015 10:40:51 -0700
>From: Walter Underwood <wunder at wunderwood.org>
>To: Elecraft Reflector <elecraft at mailman.qth.net>
>Subject: Re: [Elecraft] P3 vs SDR-IQ
>Message-ID: <70B06FC6-D87E-4521-9B03-C8E01899BFD5 at wunderwood.org>
>Content-Type: text/plain; charset=windows-1252
>
>On Jul 31, 2015, at 9:51 AM, Jim Brown <jim at audiosystemsgroup.com> wrote:
>
>> What you want is not possible -- Averaging is working on the IF signal. We can choose to always center it, or tune across it. When we tune in Tracking Mode, it MUST begin averaging again.
>
>
>Not quite impossible.
>
>It could keep the averaging for the portion of the spectrum that was displayed, and start new for the newly-displayed portion. Why throw away good data?
>
>Or, it could overscan and keep averaging for an invisible area beyond the edge of the display, then roll that into view as needed.
>
>Obviously, with either one, if you tune too fast, you get into an area with no averaging data.
>
>I?m really surprised that this is a new idea. The first time I used a bandscope, on an IC-756, I found the loss of averaging to be obviously broken with a straightforward fix.
>
>wunder
>K6WRU
>CM87wj
>http://observer.wunderwood.org/ (my blog)
>
>
>------------------------------
>
>Message: 21
>Date: Fri, 31 Jul 2015 13:46:06 -0400
>From: Guy Olinger K2AV <k2av.guy at gmail.com>
>To: Deepak VU2CDP <vu2cdp at gmail.com>
>Cc: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>Subject: Re: [Elecraft] KPA presents high SWR to rig
>Message-ID:
> <CANckpc1jdaSpUTvWjwGB2nq8aRRak+tiDgP_aAJ2NxwRyZoxkA at mail.gmail.com>
>Content-Type: text/plain; charset=UTF-8
>
>Are you switching in the KPA500 with the transceiver in TX and key down and
>power output? That will destroy relay contacts in the KPA500.
>
>73, Guy K2AV
>
>On Friday, July 31, 2015, Deepak VU2CDP <vu2cdp at gmail.com> wrote:
>
>> Hi all,
>>
>> Using KPA-500 with an FT 2k. All was well until last weekend when suddenly
>> the rig shows high SWR when i put the amp in OPER mode. The SWR checks out
>> fine on the rig's in-built meter when the amp is in STBY mode. But cannot
>> get the rig to key the amp as the needle on the rig's meter swings wildly
>> to the right the moment i put the amp in Operate.
>>
>> I saw a couple of posts in the archives similar to mine but could't find
>> any solutions from them. Can anyone help in identifying the cause of such
>> behaviour and the fix?
>>
>> 73,
>> Deepak VU2CDP
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net <javascript:;>
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to k2av.guy at gmail.com <javascript:;>
>>
>
>
>--
>Sent via Gmail Mobile on my iPhone
>
>
>------------------------------
>
>Message: 22
>Date: Fri, 31 Jul 2015 12:53:59 -0500
>From: Phil Anderson <aldenmcduffie at sunflower.com>
>To: Thaire Bryant <w2apf at myfairpoint.net>
>Cc: collins at listserve.com, elecraft at mailman.qth.net,
> qrp-l at mailman.qth.net, GQRP at yahoogroups.com
>Subject: Re: [Elecraft] Australia trip
>Message-ID: <55BBB637.5020507 at sunflower.com>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>
>Thaire,
>
>After Australia............consider going way north and DX from Svalbard
>near the Artic Circle.
>
>73, w0xi
>> Thaire Bryant <mailto:w2apf at myfairpoint.net>
>> Friday, July 31, 2015 10:44 AM
>> I will be traveling in and near Australia
>
>
>---
>This email has been checked for viruses by Avast antivirus software.
>http://www.avast.com
>
>
>------------------------------
>
>Message: 23
>Date: Fri, 31 Jul 2015 13:55:19 -0400
>From: Kevin Cozens <kevin at ve3syb.ca>
>To: K2 <elecraft at mailman.qth.net>
>Subject: Re: [Elecraft] Incremental build /design suggestions?
>Message-ID: <55BBB687.8080508 at ve3syb.ca>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>On 15-07-31 09:15 AM, ae4pb at carolinaheli.com wrote:
>> I'm shooting for the cheapest setup that will be functional at the start and
>> then add on as I go. Trying to get the order of importance down.
>>
>>
>>
>> Thoughts:
>>
>> 1. Base K3S 10w - stay CW mostly due to lower power.
>>
>> 2. Upgrade to 100w
>[snip]
>> 9. Antenna tuner
>
>I took a quick look at the K3S info. If you are going to upgrade to 100W I
>would think the K3A antenna tuner would be an item you might want as entry
>number 3 on the list.
>
>--
>Cheers!
>
>Kevin.
>
>http://www.ve3syb.ca/ |"Nerds make the shiny things that distract
>Owner of Elecraft K2 #2172 | the mouth-breathers, and that's why we're
> | powerful!"
>#include <disclaimer/favourite> | --Chris Hardwick
>
>
>------------------------------
>
>Message: 24
>Date: Fri, 31 Jul 2015 23:30:55 +0530
>From: Deepak VU2CDP <vu2cdp at gmail.com>
>To: Guy Olinger K2AV <k2av.guy at gmail.com>
>Cc: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>Subject: Re: [Elecraft] KPA presents high SWR to rig
>Message-ID:
> <CADiSzvxpxViAaOXVR6vhjdXPKpDfBt7yxtrh9aqbqBfAjkdqFg at mail.gmail.com>
>Content-Type: text/plain; charset=UTF-8
>
>Hello Guy,
>
>No, i would never do that! :-)
>
>A friend told me that it may be the PIN diode, probably blown by static
>discharge while swapping antennas. But he wasn't sure. I intend to do some
>diagnosis tomorrow afternoon when i should have some free time.
>
>73,
>Deepak VU2CDP
>
>PS: this one was put through the grind right after assembly in an
>expedition (VU4KV) and has never given any problems until now.
>
>On Fri, Jul 31, 2015 at 11:16 PM, Guy Olinger K2AV <k2av.guy at gmail.com>
>wrote:
>
>> Are you switching in the KPA500 with the transceiver in TX and key down
>> and power output? That will destroy relay contacts in the KPA500.
>>
>> 73, Guy K2AV
>>
>>
>> On Friday, July 31, 2015, Deepak VU2CDP <vu2cdp at gmail.com> wrote:
>>
>>> Hi all,
>>>
>>> Using KPA-500 with an FT 2k. All was well until last weekend when suddenly
>>> the rig shows high SWR when i put the amp in OPER mode. The SWR checks out
>>> fine on the rig's in-built meter when the amp is in STBY mode. But cannot
>>> get the rig to key the amp as the needle on the rig's meter swings wildly
>>> to the right the moment i put the amp in Operate.
>>>
>>> I saw a couple of posts in the archives similar to mine but could't find
>>> any solutions from them. Can anyone help in identifying the cause of such
>>> behaviour and the fix?
>>>
>>> 73,
>>> Deepak VU2CDP
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft at mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to k2av.guy at gmail.com
>>>
>>
>>
>> --
>> Sent via Gmail Mobile on my iPhone
>>
>
>
>------------------------------
>
>Message: 25
>Date: Fri, 31 Jul 2015 13:13:29 -0500
>From: Bob McGraw - K4TAX <rmcgraw at blomand.net>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] Incremental build /design suggestions?
>Message-ID: <55BBBAC9.7020206 at blomand.net>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>Here's my basic configuration which is on order at present:
>
>Item Ref. Price ea. Qty. Description
>
>K3S/100-F $2899.95 1 K3S 100W Xcvr. (Assembled)
>KAT3A-F $369.95 1 K3S ATU (Fact. Installed)
>KFL3A-1.8K $139.95 1 K3 1.8 kHz, 8 pole filter
>KFL3A-500 $89.95 1 K3 500 Hz, 5 pole filter
>KTCXO3-1 $119.95 1 K3S TCXO (0.5ppm)
>
>There's lots of room and options to "add on" later.
>
>73 Bob, K4TAX
>
>
>On 7/31/2015 12:55 PM, Kevin Cozens wrote:
>> On 15-07-31 09:15 AM, ae4pb at carolinaheli.com wrote:
>>> I'm shooting for the cheapest setup that will be functional at the
>>> start and
>>> then add on as I go. Trying to get the order of importance down.
>>>
>>>
>>>
>>> Thoughts:
>>>
>>> 1. Base K3S 10w - stay CW mostly due to lower power.
>>>
>>> 2. Upgrade to 100w
>> [snip]
>>> 9. Antenna tuner
>>
>> I took a quick look at the K3S info. If you are going to upgrade to
>> 100W I would think the K3A antenna tuner would be an item you might
>> want as entry number 3 on the list.
>>
>
>
>
>
>------------------------------
>
>Message: 26
>Date: Fri, 31 Jul 2015 11:17:04 -0700
>From: Jim Brown <jim at audiosystemsgroup.com>
>To: elecraft at mailman.qth.net
>Subject: Re: [Elecraft] Incremental build /design suggestions?
>Message-ID: <55BBBBA0.1080403 at audiosystemsgroup.com>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>On Fri,7/31/2015 6:15 AM, ae4pb at carolinaheli.com wrote:
>> My primary focus is DX and I'm trying to juggle priorities (cash) to build
>> my station.
>>
>> I'm upgrading from a YAESU FT-897D which works ok but doesn't deal with
>> noise/band noise well.
>>
>> The intended end result will be K3S, Panadapter, Amplifier, External Antenna
>> Tuner. The K3S will have the sub receiver, cw filters, ssb filters, data
>> mode filter.
>
>I'm going offer a very different suggestion. For the cost of a 10W K3S,
>you can probably buy a fairly loaded used 100W K3 with 100W tuner and
>other accessories. Another $220 gets you the new K3SYNA board, which is
>about 90% of the improvement offered by the new K3S. You'll also want
>the KXV3B module, which includes a very nice preamp that improves
>performance on 10M and 6M. Both are easy to add. Now that 10M is dead
>most of the time and 6M E-skip season is nearly over, you won't need
>that preamp for a while. :)
>
>I'm speaking from experience -- I've done exactly those upgrades to my
>K3s, and have no plans to trade up to a K3S. You will find it a HUGE
>upgrade from your 897.
>
>73, Jim K9YC
>
>
>
>------------------------------
>
>Message: 27
>Date: Fri, 31 Jul 2015 14:43:03 -0400
>From: Don Wilhelm <w3fpr at embarqmail.com>
>To: ae4pb at carolinaheli.com, elecraft at mailman.qth.net
>Subject: Re: [Elecraft] Incremental build /design suggestions?
>Message-ID: <55BBC1B7.90809 at embarqmail.com>
>Content-Type: text/plain; charset=windows-1252; format=flowed
>
>Jer,
>
>Your list is OK -- unless -- if your goal is to minimize dis-assembly
>when adding the items later in your list, then decide on the filters for
>the main receiver before adding the subRX. The subRX must be removed to
>add filters to the main board.
>
>73,
>Don W3FPR
>
>On 7/31/2015 9:15 AM, ae4pb at carolinaheli.com wrote:
>>
>> Thoughts:
>>
>> 1. Base K3S 10w - stay CW mostly due to lower power.
>>
>> 2. Upgrade to 100w
>>
>> 3. Add sub receiver
>>
>> 4. Add better receive only antennas, vertical loop array or such.
>>
>> 5. Add filters to receiver and subreceiver
>>
>> 6. Add Panadapter
>>
>> 7. Add additional filters if needed ?
>>
>> 8. Add amplifier (if I can hear it I want to be able to work it).
>>
>> 9. Antenna tuner
>>
>>
>>
>> Thanks in advance.
>>
>> I'd really love to just walk in and buy a fully stuffed setup at the start
>> but I like to pay cash.
>>
>>
>>
>> Jer / AE4PB
>>
>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to w3fpr at embarqmail.com
>>
>
>
>
>------------------------------
>
>Subject: Digest Footer
>
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>------------------------------
>
>End of Elecraft Digest, Vol 135, Issue 40
>*****************************************
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