[Elecraft] Elecraft Digest, Vol 199, Issue 22
Jonathan Archer
archerjon30 at gmail.com
Fri Dec 11 10:04:05 EST 2020
wks9478 at charter.net
On Fri, Dec 11, 2020 at 10:02 Jonathan Archer <archerjon30 at gmail.com> wrote:
> I’m interested in your sale please contact
>
> On Fri, Nov 27, 2020 at 04:12 <elecraft-request at mailman.qth.net> wrote:
>
>> Send Elecraft mailing list submissions to
>> elecraft at mailman.qth.net
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>> http://mailman.qth.net/mailman/listinfo/elecraft
>> or, via email, send a message with subject or body 'help' to
>> elecraft-request at mailman.qth.net
>>
>> You can reach the person managing the list at
>> elecraft-owner at mailman.qth.net
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of Elecraft digest..."
>>
>>
>> Today's Topics:
>>
>> 1. Re: Sunspots!?!? (Rich NE1EE)
>> 2. Sunspots and the K2, K1 (Louandzip)
>> 3. Re: Sunspots and the K2, K1 (Jim Sheldon)
>> 4. KPA500 failure (Wes)
>> 5. Re: KPA500 failure (Wes)
>> 6. Re: Firmware development (Rich NE1EE)
>> 7. Re: KX3 TX/RX antenna changeover relay? (Darren Long)
>> 8. Re: Firmware development (john at kk9a.com)
>> 9. Re: Firmware development (Ray)
>> 10. Digital Displays would make a great stocking stuffer (Keith Ennis)
>> 11. For sale: KPA100 and KAT100 combined in K2 size Elecraft Case
>> (wks9478 at charter.net)
>> 12. Re: K3 FT8 Levels Sanity Check (Jim Brown)
>> 13. Re: K3 FT8 Levels Sanity Check (Bill Frantz)
>> 14. Setting up new KPA1500 and find it mutes receive when ATU
>> active (Fredric Serota)
>> 15. FS: Elecraft KPA1500 amplifier (Jeff Blaine)
>> 16. KANT3 Replacement PC board (David Olean)
>> 17. Re: KANT3 Replacement PC board (Don Wilhelm)
>> 18. Re: KANT3 Replacement PC board (David Olean)
>> 19. Re: KANT3 Replacement PC board (Nr4c)
>> 20. KPA1500 Warrenty Work Turnaround (wa3afs at nycap.rr.com)
>> 21. Re: Sunspots!?!? (Robert Cunnings)
>> 22. Re: Sunspots!?!? (Paul GACEK)
>> 23. Re: Firmware development (SteveL)
>> 24. Re: Firmware development (David Gilbert)
>> 25. Re: Firmware development (Victor Rosenthal 4X6GP)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Thu, 26 Nov 2020 07:50:31 -0500
>> From: Rich NE1EE <73.de.ne1ee at gmail.com>
>> To: Elecraft Mailing List <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] Sunspots!?!?
>> Message-ID: <5fbfa4a1.1c69fb81.c7e4d.9e92 at mx.google.com>
>> Content-Type: text/plain; charset="UTF-8"
>>
>> On 2020-11-25 16:52:-0700, Douglas Hagerman via Elecraft wrote:
>>
>> >If, by some miracle, the sunspot count were to eventually jump up to a
>> really high level, as was the case in around 2002, or even better in 1959,
>> how would the various Elecraft receivers work? I?m specifically interested
>> in the K1 and K2, but in general, is there a realistic problem with
>> overloading of the front end? Or, assuming that you can hear signals from
>> all over, will the selectivity, etc., be sufficient?
>> >
>> >Doug, W0UHU.
>>
>> I have been studying the records (I have a background in space plasma
>> physics). Of course, I am not an expert, but I do enjoy analyzing
>> scientific data. It seems to me that cycle 25 is likely to be a very active
>> cycle. I see that NASA is anticipating a peak with 115 sunspots in July
>> 2025, but I suspect that it will be much larger. Oops. Guess we'll see.
>>
>> ~R~
>> 72/73 de Rich NE1EE
>> The Dusty Key
>> On the banks of the Piscataqua
>>
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Thu, 26 Nov 2020 13:19:15 +0000 (UTC)
>> From: Louandzip <louandzip at yahoo.com>
>> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>> Subject: [Elecraft] Sunspots and the K2, K1
>> Message-ID: <408435328.1101764.1606396755590 at mail.yahoo.com>
>> Content-Type: text/plain; charset=UTF-8
>>
>> I built my K2 and then a K1 during the solar maximum in 2001/2.? One of
>> the hallmarks of the K2 is it strong signal rejection.? It was one of the
>> best radios of the time and is still among the better radios today.? The K1
>> isn't really in the same league, but it's no slouch either.? The worst test
>> I put it to was operating in CH on 40m during a contest weekend during a
>> business trip.? Huge wall to wall signals but I was able to participate
>> fine.
>> Somebody mentioned switching in the K1's attenuator.? Originally, doing
>> so created a loud audio pop.? I came up with a mod to eliminate this,
>> adding a RFC across the contacts of the relay K1 (coincidentally) which was
>> adopted as part of the design.?
>>
>> I grinned when I saw Wayne N6KR's terse response.? He's still justifiable
>> proud and protective of his babies.
>> Lou W7HV
>>
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Thu, 26 Nov 2020 14:02:10 +0000
>> From: "Jim Sheldon" <w0eb at cox.net>
>> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] Sunspots and the K2, K1
>> Message-ID: <emb7a2a6d8-6174-445e-b8f4-9f90f1bb75e2 at jimsdesktop-pc>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> I had just gotten my K2 after having problems with a close neighbor ham
>> that ALWAYS ran his 2KW amp full bore, even for crosstown QSO's, had an
>> early Yaesu FT-1000 with super key clicks. He refused to do the key
>> click mod (so he could grab and hold a frequency in a contest without
>> people encroaching on it). He overloaded a Yaesu FT-897 which I
>> replaced with an ICOM 706 MKII and overloaded that too. I ordered &
>> built a K2 which took care of the overload, if not the key click
>> problem. I loved that K2 and had a lot of nice successes with it.
>>
>> First off, I was working 160 meters one early morning, heard a Caribbean
>> station (will remain nameless to keep from shaming him) calling CQ (not
>> CQ JA or CQ DX) so I called him. He acknowledged but refused the
>> contact because he said he was only working JA stations. I continued to
>> listen to him call CQ for a while when a JA station answered him. After
>> he returned the JA's call, the JA station said "Sorry, I'm only working
>> USA stations this morning and then the JA called me! - Wow. I was only
>> running the K2 at 5 watts on 160 and that was totally unexpected. Had a
>> nice chat with the JA station (got the QSL card to prove it about a
>> month later).
>>
>> Later, I inherited a tidy sum of money when my favorite Aunt passed away
>> and got a full K line. Final to the story, the FCC got on the local ham
>> with the key clicks so he had to fix them, I now had a KPA500/KAT500
>> behind the K3 and in a contest I could operate within a couple KHz of
>> this guy with the K3's attenuator on and not have a problem
>> copying/working weak signals. Back when he was overloading the Yaesu &
>> ICOM rigs I had, I asked him to turn the amp off in local QSO's but his
>> comment was "Get a real radio!". Well after I got the K line and ran
>> the amp in contests, he asked ME to turn MY amp off. My response to
>> that was -- "Like YOU said, get a real radio!". Shortly after that he
>> moved out to a farm he inherited about 35 miles from me and I haven't
>> heard him since - LOL.
>>
>> Speaks extremely well for the Elecraft line's strong (even extreme)
>> signal handling capability. It was good, but not perfect with the K2
>> but even better with the K3 and now a K3S. At 78, I doubt I'll ever
>> have a K4, but I fully expect the K3S to just keep on truckin' as it has
>> for the last few years.
>>
>> Thanks Elecraft for some of the best rigs of the age.
>>
>> Jim Sheldon, W0EB
>>
>>
>>
>> ------------------------------
>>
>> Message: 4
>> Date: Thu, 26 Nov 2020 07:23:13 -0700
>> From: Wes <wes_n7ws at triconet.org>
>> To: Elecraft Reflector <Elecraft at mailman.qth.net>
>> Subject: [Elecraft] KPA500 failure
>> Message-ID: <33cdaa3e-fdd2-a707-0d9a-41a867b6c1e9 at triconet.org>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> I've been incorporating a new transceiver into my station and was going
>> through
>> setting the per band power limits for driving my KPA500.? When I got to
>> 50 MHz,
>> a band I seldom use, I was dismayed to note that there is no
>> amplification, it
>> operates as if in Standby.? The RF frequency sensing fails to switch
>> bands and
>> even manually switching to 50 MHz makes no difference.
>>
>> I have the schematics, but it's unclear to me where to start. Any ideas
>> welcome.
>>
>> Wes? N7WS
>>
>>
>>
>> ------------------------------
>>
>> Message: 5
>> Date: Thu, 26 Nov 2020 07:29:44 -0700
>> From: Wes <wes_n7ws at triconet.org>
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] KPA500 failure
>> Message-ID: <c47df5ec-d957-a611-50de-8b1eac1fa237 at triconet.org>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> Never mind, I solved my own cockpit problem.? The transceiver has a
>> different
>> setting for 50 MHZ.? All is good.
>>
>> On 11/26/2020 7:23 AM, Wes wrote:
>> > I've been incorporating a new transceiver into my station and was going
>> > through setting the per band power limits for driving my KPA500. When I
>> got to
>> > 50 MHz, a band I seldom use, I was dismayed to note that there is no
>> > amplification, it operates as if in Standby.? The RF frequency sensing
>> fails
>> > to switch bands and even manually switching to 50 MHz makes no
>> difference.
>> >
>> > I have the schematics, but it's unclear to me where to start. Any ideas
>> welcome.
>> >
>> > Wes? N7WS
>>
>>
>>
>> ------------------------------
>>
>> Message: 6
>> Date: Thu, 26 Nov 2020 09:33:54 -0500
>> From: Rich NE1EE <TheDustyKey at imaginarian.org>
>> To: Elecraft Reflector <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] Firmware development
>> Message-ID: <mailman.21515.1606468215.3115.elecraft at mailman.qth.net>
>> Content-Type: text/plain; charset="UTF-8"
>>
>> I ran my own small engineering company for 25 years. Projects ranged from
>> $1ooK to $10M USD. We had no warranty claims at all. It takes a lot to
>> produce software and hardware to that level of reliability.
>>
>> Recently, someone posted on a different professional forum I am on "As a
>> programmer I am faced with incompetence at every level. No one wants to put
>> the time into making things great, just getting something out the door is
>> the norm." I think that applies to a broad spectrum of products these days,
>> and has applied for some time.
>>
>> A while back, I was participating in a cutting edge open source project.
>> I commented on a design feature, supplying a schematic, simulation results,
>> and references to various related technical specs. The reply from one of
>> the "big" players was that he had not read those thousand pages of tech
>> specs, but surely I was wrong. He even opined why, saying what he "thought"
>> the tech specs must say. He got support from some of his pet squirrels. I
>> dropped out of the project.
>>
>> This is not necessarily the norm...I'd like to think that it is a worst
>> case. I know from personal experience that it takes a lot of time to
>> understand a specific piece of hardware and its associated software. My
>> company never went open source. I eventually closed it because I could not
>> replace retiring professional staff from the current workforce. Not and
>> keep the same level of quality.
>>
>> I don't have the Elecraft experience to speak knowledgeably about all
>> these discussions, but I certainly understand the level of quality that I
>> see, and understand the pressures of modern economics. I can't think of one
>> open source, community-based product that I'd want to hang my hat on, even
>> if I do see some that I'd support. I just don't see the professional depth
>> in the general community.
>>
>> I'd actually vote in favor of opening the older Elecraft stuff up to
>> community support, IF Elecraft went out of business or decided that some
>> piece of gear is so old that it doesn't matter. (I actually own 2 pieces of
>> gear that I'd love to see open source, but I don't see that happening.)
>> Folks have invested a lot of $$ in their gear, and don't want to hear that
>> 10 years later they need to toss it and buy new gear.
>>
>> ~R~
>> 72/73 de Rich NE1EE
>> The Dusty Key
>> On the banks of the Piscataqua
>>
>>
>> On 2020-11-26 00:08:-0600, Tim Neu wrote:
>> >The point on Moore's law is taken.
>> >
>> >But the options aren't just limited to Elecraft doing more work on older
>> >radios or no updates at all (or supporting the old radios to the
>> detriment
>> >of the new)
>> >
>> >Many software development projects now are community based and although
>> >radio firmware may be more time-consuming and more complex than OpenWRT
>> for
>> >example, community based development may have more umph than Elecraft
>> might
>> >have as far as inclination to tweak old radios.
>> >
>> >Just a thought.
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 7
>> Date: Thu, 26 Nov 2020 15:32:41 +0000
>> From: Darren Long <darren.long at mac.com>
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] KX3 TX/RX antenna changeover relay?
>> Message-ID: <62f98a73-587d-3ff8-4989-ec57c643a5b0 at mac.com>
>> Content-Type: text/plain; charset=utf-8
>>
>>
>> Hi Ian,
>>
>> I bodged together a solution for this, using a modified MFJ-1707. Notes
>> are here:
>> http://www.g0hww.net/2015/02/rx-antenna-switching-with-kx3-wellbrook.html
>>
>> Cheers, 73
>>
>> Darren, G0HWW
>>
>> On 26/11/2020 11:38, Ian Liston-Smith wrote:
>> > Many of us have separate receive antennas - often active loops etc. -
>> because out transmit antenna picks up too much noise. Does Elecraft have a
>> changeover device that switches between the two fast enough not to damage
>> the rx antenna? Specifically for the KX3? Thanks.
>> >
>> > PS: I have this option for the K2 and it's very useful.
>> >
>> > 73,
>> >
>> > Ian, G4JQT
>> > ______________________________________________________________
>> > 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 darren.long at mac.com
>> >
>>
>>
>> ------------------------------
>>
>> Message: 8
>> Date: Thu, 26 Nov 2020 11:05:48 -0500
>> From: <john at kk9a.com>
>> To: <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] Firmware development
>> Message-ID: <000001d6c40e$0171a6a0$0454f3e0$@com>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> The Kenwood TS-590SG is ~$1300 new and you can get one in a week. Why are
>> you bashing it on the Elecraft list?
>>
>> John KK9A
>>
>>
>> Rick NK7I rick.nk7i at gmail.com
>>
>> And yet the TS-590 still has unfixed design flaws (overshoot being one of
>> the worst) without sending it to an authorized shop, taking weeks.
>>
>> It was MONTHS before that firmware was updated (since originally
>> reported).
>> I find the reaction time for updates with Elecraft to be more responsive.
>> Plus you can talk to a tech (except for COVID delays
>> now) the same day you initiate contact.
>>
>> 73,
>> Rick NK7I
>>
>>
>>
>> Scanned by McAfee and confirmed virus-free.
>> Find out more here: https://bit.ly/2zCJMrO
>>
>>
>>
>> ------------------------------
>>
>> Message: 9
>> Date: Thu, 26 Nov 2020 08:07:18 -0800
>> From: Ray <wa6vab at gmail.com>
>> To: "john at kk9a.com" <john at kk9a.com>, "elecraft at mailman.qth.net"
>> <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] Firmware development
>> Message-ID: <5fbfd2b8.1c69fb81.2339d.2038 at mx.google.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Seems like this is now the Kenwood page ?
>>
>> Sent from Mail for Windows 10
>>
>> From: john at kk9a.com
>> Sent: Thursday, November 26, 2020 8:06 AM
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] Firmware development
>>
>> T
>>
>>
>>
>> ------------------------------
>>
>> Message: 10
>> Date: Thu, 26 Nov 2020 18:09:07 +0000 (UTC)
>> From: Keith Ennis <nelasat at yahoo.com>
>> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>> Subject: [Elecraft] Digital Displays would make a great stocking
>> stuffer
>> Message-ID: <251946947.1164111.1606414147757 at mail.yahoo.com>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Digital Display Unit for Elecraft's W2 Watt Meter:
>> ? ? ?
>> With the digital read out the DDU takes the guess work out of the LED
>> lights.
>> ? ? ?
>> ? ??
>> Digital Display Unit for Elecraft's KXPA100 amplifier:
>> ? ? ?
>> Don't wait for a fault light to come on.? Keep an eye on 5 crucial
>> readings at all times.
>> 1. Power amplifier's heat sink temperature
>> 2. Power amplifier's high voltage supply voltage
>> 3. Power amplifier's current
>> 4. Power amplifier's output power
>> 5. SWR that the KXPA100 sees at its output
>> ? ? ?
>> ? ??
>> Digital Display Unit for Elecraft's KPA500 amplifier:
>> ? ? ?
>> Instead of seeing only 1 crucial reading, monitor 5 at all times.
>> 1. Power amplifier's heat sink temperature
>> 2. Power amplifier's high voltage supply voltage
>> 3. Power amplifier's current
>> 4. Power amplifier's output power
>> 5. SWR that the KPA500 sees at its output
>> 6. Operate/Standby mode displayed
>> 7. Band operation displayed
>> ? ??
>> Digital Display Unit for Elecraft's KPA1500 amplifier:
>> ? ? ?
>> Displays the same display that is on the KPA1500 Amplifier?
>> Change the display on the KPA1500 and the DDU changes
>> ? ? ?
>> ? ??
>> All of the Digital Display Units:
>> ? ? ?
>> Display Unit can be located at a more visible location
>> Up to the RS232 limit from unit
>> Easy to read 2 line display
>> No USB or serial cable to computer
>> No com port in Windows to manage
>> No computer needed
>> Plug and Play
>> Simply connect the SUPPLIED dc power cable (with inline on/off switch)
>> from the DDU to power supply and SUPPLIED XCVR SERIAL data jumper cable to
>> the device
>> Retains all functions of the front panel
>> All displayed info obtained directly from the device
>> ? ? ?
>> Only 4" x 4" x 2"
>>
>> https://www.eham.net/reviews/view-product?id=14701
>>
>> https://www.eham.net/reviews/view-product?id=14820
>> ? ? ?
>> For more information and ordering go to:? ?www.kv5j.com
>> ? ?
>> Thanks 73,
>> ? ?
>> Keith,KV5J
>>
>>
>>
>> ------------------------------
>>
>> Message: 11
>> Date: Thu, 26 Nov 2020 13:10:59 -0600
>> From: <wks9478 at charter.net>
>> To: <Elecraft at mailman.qth.net>
>> Subject: [Elecraft] For sale: KPA100 and KAT100 combined in K2 size
>> Elecraft Case
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> Includes manuals and all cables necessary for operating with your K2.
>> Power
>> out of the amplifier is 100W or more on all bands except 12M where it is
>> about 75W, when driven by my K2. The RS-232 port works for computer
>> control
>> and monitoring. Photos available. Price is $600 plus shipping. PayPal OK.
>> Bill K5EMI
>>
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 12
>> Date: Thu, 26 Nov 2020 11:52:58 -0800
>> From: Jim Brown <jim at audiosystemsgroup.com>
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] K3 FT8 Levels Sanity Check
>> Message-ID:
>> <17525bf4-bca8-0e8e-d390-e99f32789274 at audiosystemsgroup.com>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> On 11/26/2020 1:43 AM, LDE wrote:
>> > Line In Gain = 40 seems too high to me.
>>
>> Numerical values are pretty much meaningless. The values cited simply
>> indicate that levels coming out of the computer are fairly low, so more
>> gain is needed in the Elecraft input stage.
>>
>> 73, Jim K9YC
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 13
>> Date: Thu, 26 Nov 2020 15:19:43 -0500
>> From: Bill Frantz <frantz at pwpconsult.com>
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] K3 FT8 Levels Sanity Check
>> Message-ID:
>>
>> <r480Ps-10146i-3ECC9BA9A4354A638C772A1E3EDC157C at Williams-MacBook-Pro.local
>> >
>>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>
>> Remember also, if the output level from the computer is too
>> high, then it may not be possible to get the 4 bars steady, 5th
>> flashing by adjusting the radio line in gain. This is because a
>> change of one in the line in on the radio gives you either 4
>> bars steady or 5 bars steady. Cutting down the levels from the
>> computer will let you use more gain in the radio, getting to a
>> place where the step size of the digital gain is smaller, giving
>> finer control.
>>
>> 73 Bill AE6JV
>>
>> On 11/26/20 at 2:52 PM, jim at audiosystemsgroup.com (Jim Brown) wrote:
>>
>> >On 11/26/2020 1:43 AM, LDE wrote:
>> >>Line In Gain = 40 seems too high to me.
>> >
>> >Numerical values are pretty much meaningless. The values cited
>> >simply indicate that levels coming out of the computer are
>> >fairly low, so more gain is needed in the Elecraft input stage.
>> >
>> >73, Jim K9YC
>>
>> -------------------------------------------------------------------------
>> Bill Frantz | When it comes to the world | Periwinkle
>> (408)348-7900 | around us, is there any choice | 150
>> Rivermead Rd #235
>> www.pwpconsult.com | but to explore? - Lisa Randall |
>> Peterborough, NH 03458
>>
>>
>>
>> ------------------------------
>>
>> Message: 14
>> Date: Thu, 26 Nov 2020 21:06:05 +0000
>> From: Fredric Serota <fserota at msn.com>
>> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>> Subject: [Elecraft] Setting up new KPA1500 and find it mutes receive
>> when ATU active
>> Message-ID:
>> <
>> BL0PR07MB56683E3123F355F609A148C6BDF90 at BL0PR07MB5668.namprd07.prod.outlook.com
>> >
>>
>> Content-Type: text/plain; charset="Windows-1252"
>>
>> I find that when the ATU becomes active, it mutes the received sound a
>> great deal. It does tune to a fine match, below 1.15:1. But regardless of
>> band, as soon as it matches the received sound is way down. Don?t
>> experience same when the ICOM transceiver tunes to the same antenna, all
>> seems fine. Any help appreciated. This is a brand new unit right out of the
>> box. I did upgrade to the latest firmware.
>>
>> Fred Serota, K3BHX
>>
>>
>>
>> ------------------------------
>>
>> Message: 15
>> Date: Thu, 26 Nov 2020 16:27:33 -0600
>> From: Jeff Blaine <KeepWalking188 at ac0c.com>
>> To: Elecraft-K3 at groups.io, elecraft at mailman.qth.net
>> Subject: [Elecraft] FS: Elecraft KPA1500 amplifier
>> Message-ID: <5efdb991-cbd0-2654-2b52-f3dfb3fd1e3c at ac0c.com>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> I offer for sale my KPA1500 amplifier in excellent cosmetic and
>> operational condition.
>>
>> Given the amount of nonsense I see on a lot of boards with respect to
>> high end gear sales, I would welcome the serious buyer come to the shack
>> for a first hand personal check out of the amp so the new owner can be
>> 100% satisfied of it's condition.
>>
>> For those otherwise trusting buyers who don't associate my callsign with
>> that of a scoundrel, I would be willing to do some driving for a meet up
>> & hand off as part of the deal.? QTH here is about 30 minutes south of
>> Kansas City, KS, in the lovely center of the propagation black hole here
>> in the great USA.
>>
>> $5400 OBO.
>>
>> Those interested - kindly contact me off list to ?? jeff at ac0c dot com
>>
>> Happy Thanksgiving and this year it looks like we will have some extra
>> propagation on the CQ WPX CW contest this weekend as well to be thankful
>> for.
>>
>> 73/jeff/ac0c
>> alpha-charlie-zero-charlie
>> www.ac0c.com
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 16
>> Date: Thu, 26 Nov 2020 18:03:47 -0500
>> From: David Olean <k1whs at metrocast.net>
>> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>> Subject: [Elecraft] KANT3 Replacement PC board
>> Message-ID: <331dbb66-9c34-d25c-6897-fbd01241cf13 at metrocast.net>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> I hope someone can steer me in the right direction. I was trolling
>> through my junk and found a new un populated PC board.? I must have
>> bought it from someone on the Elecraft reflector, but I have no memory
>> of any of it!?? All I have is the PC board and a printed sheet with a
>> parts list.? By board has "Copyright Arcom 2016? KANT3 REV 1.0" printed
>> on it.
>>
>> The board has positions for 3 ICs and two small relays. It looks like it
>> was made to route extra antenna connections etc. but I have no
>> information on what it does or how it is implemented into the K3. Can
>> anyone point me towards a description? on this accessory?? I could find
>> no mention of anything with a google search.
>>
>> Dave K1WHS
>>
>>
>>
>> ------------------------------
>>
>> Message: 17
>> Date: Thu, 26 Nov 2020 18:32:40 -0500
>> From: Don Wilhelm <donwilh at embarqmail.com>
>> To: David Olean <k1whs at metrocast.net>, "elecraft at mailman.qth.net"
>> <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] KANT3 Replacement PC board
>> Message-ID: <1306950b-7b3b-43b9-b669-8fef7ecf0a56 at embarqmail.com>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> Dave,
>>
>> If I am not mistaken, that board would be installed in a K3 that did not
>> have an ATU.
>>
>> If you bought the K3 without the tuner and later installed the tuner,
>> that would be the reason you have it in your 'junk'.
>>
>> 73,
>> Don W3FPR
>>
>> On 11/26/2020 6:03 PM, David Olean wrote:
>> > I hope someone can steer me in the right direction. I was trolling
>> > through my junk and found a new un populated PC board.? I must have
>> > bought it from someone on the Elecraft reflector, but I have no memory
>> > of any of it!?? All I have is the PC board and a printed sheet with a
>> > parts list.? By board has "Copyright Arcom 2016? KANT3 REV 1.0" printed
>> > on it.
>> >
>> > The board has positions for 3 ICs and two small relays. It looks like
>> it
>> > was made to route extra antenna connections etc. but I have no
>> > information on what it does or how it is implemented into the K3. Can
>> > anyone point me towards a description? on this accessory?? I could find
>> > no mention of anything with a google search.
>> >
>>
>>
>> ------------------------------
>>
>> Message: 18
>> Date: Thu, 26 Nov 2020 19:35:28 -0500
>> From: David Olean <k1whs at metrocast.net>
>> To: donwilh at embarqmail.com, "elecraft at mailman.qth.net"
>> <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] KANT3 Replacement PC board
>> Message-ID: <45b09484-0f25-66f9-72c5-3b83d784dfeb at metrocast.net>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> Hello Don and Carl,
>>
>> I guess I was not very clear on this. I have a couple of K3s and all
>> have a KANT3. I know what that board is. This board is a bare (un
>> populated) board that was made by someone to be a replacement for the
>> stock KANT3 but it has some added switching and routing capabilities
>> apparently.?? It was a non Elecraft mod kit for the K3. I vaguely
>> remember saying that I was interested in the board after someone
>> mentioned the design on the Elecraft reflector.? I ended up with a board
>> and the parts list. I have no idea how to implement same!
>>
>> To be clear, this is not a KANT3 from Elecraft. It is a bare board and a
>> list of parts that includes three ICs (TPIC6C596PW) a 78LO5 5 volt
>> regulator plus a bunch of capacitors and resistors. There are two
>> antenna connections that go on the board along with the 20 pin connector
>> that you remove off the original KANT3 board from your radio.
>>
>> I am trying to figure out what this is and if it is usable.
>>
>>
>> Dave K1WHS
>>
>> On 11/26/2020 6:32 PM, Don Wilhelm wrote:
>> > Dave,
>> >
>> > If I am not mistaken, that board would be installed in a K3 that did
>> > not have an ATU.
>> >
>> > If you bought the K3 without the tuner and later installed the tuner,
>> > that would be the reason you have it in your 'junk'.
>> >
>> > 73,
>> > Don W3FPR
>> >
>> > On 11/26/2020 6:03 PM, David Olean wrote:
>> >> I hope someone can steer me in the right direction. I was trolling
>> >> through my junk and found a new un populated PC board.? I must have
>> >> bought it from someone on the Elecraft reflector, but I have no
>> >> memory of any of it!?? All I have is the PC board and a printed sheet
>> >> with a parts list.? By board has "Copyright Arcom 2016? KANT3 REV
>> >> 1.0" printed on it.
>> >>
>> >> The board has positions for 3 ICs and two small relays. It looks like
>> >> it was made to route extra antenna connections etc. but I have no
>> >> information on what it does or how it is implemented into the K3. Can
>> >> anyone point me towards a description? on this accessory?? I could
>> >> find no mention of anything with a google search.
>> >>
>>
>>
>> ------------------------------
>>
>> Message: 19
>> Date: Thu, 26 Nov 2020 19:56:35 -0500
>> From: Nr4c <nr4c at widomaker.com>
>> To: David Olean <K1WHS at metrocast.net>
>> Cc: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] KANT3 Replacement PC board
>> Message-ID: <D153E98A-7217-4B82-9AA1-438D882BE7EC at widomaker.com>
>> Content-Type: text/plain; charset=utf-8
>>
>> I suspect it?s a way to have more than 1 antenna connection without the
>> KAT3.
>>
>> Sent from my iPhone
>> ...nr4c. bill
>>
>>
>> > On Nov 26, 2020, at 7:37 PM, David Olean <K1WHS at metrocast.net> wrote:
>> >
>> > ?Hello Don and Carl,
>> >
>> > I guess I was not very clear on this. I have a couple of K3s and all
>> have a KANT3. I know what that board is. This board is a bare (un
>> populated) board that was made by someone to be a replacement for the stock
>> KANT3 but it has some added switching and routing capabilities apparently.
>> It was a non Elecraft mod kit for the K3. I vaguely remember saying that I
>> was interested in the board after someone mentioned the design on the
>> Elecraft reflector. I ended up with a board and the parts list. I have no
>> idea how to implement same!
>> >
>> > To be clear, this is not a KANT3 from Elecraft. It is a bare board and
>> a list of parts that includes three ICs (TPIC6C596PW) a 78LO5 5 volt
>> regulator plus a bunch of capacitors and resistors. There are two antenna
>> connections that go on the board along with the 20 pin connector that you
>> remove off the original KANT3 board from your radio.
>> >
>> > I am trying to figure out what this is and if it is usable.
>> >
>> >
>> > Dave K1WHS
>> >
>> >> On 11/26/2020 6:32 PM, Don Wilhelm wrote:
>> >> Dave,
>> >>
>> >> If I am not mistaken, that board would be installed in a K3 that did
>> not have an ATU.
>> >>
>> >> If you bought the K3 without the tuner and later installed the tuner,
>> that would be the reason you have it in your 'junk'.
>> >>
>> >> 73,
>> >> Don W3FPR
>> >>
>> >>> On 11/26/2020 6:03 PM, David Olean wrote:
>> >>> I hope someone can steer me in the right direction. I was trolling
>> through my junk and found a new un populated PC board. I must have bought
>> it from someone on the Elecraft reflector, but I have no memory of any of
>> it! All I have is the PC board and a printed sheet with a parts list. By
>> board has "Copyright Arcom 2016 KANT3 REV 1.0" printed on it.
>> >>>
>> >>> The board has positions for 3 ICs and two small relays. It looks like
>> it was made to route extra antenna connections etc. but I have no
>> information on what it does or how it is implemented into the K3. Can
>> anyone point me towards a description on this accessory? I could find no
>> mention of anything with a google search.
>> >>>
>> > ______________________________________________________________
>> > 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
>> >
>> > Th
>>
>>
>> ------------------------------
>>
>> Message: 20
>> Date: Thu, 26 Nov 2020 21:06:46 -0500
>> From: wa3afs at nycap.rr.com
>> To: elecraft at mailman.qth.net
>> Subject: [Elecraft] KPA1500 Warrenty Work Turnaround
>> Message-ID: <5FC05F36.21794.312A912 at wa3afs.nycap.rr.com>
>> Content-Type: text/plain; charset=US-ASCII
>>
>> My KPA1500 was received on Monday Nov 23rd and I had an acknowledgment on
>> Tuesday
>> saying 10-15 business days. (Fault: Low Gain Ratio 0)
>>
>> 73
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 21
>> Date: Thu, 26 Nov 2020 20:30:33 -0700 (MST)
>> From: Robert Cunnings <nw8l at whitemesa.com>
>> To: Rich NE1EE <73.de.ne1ee at gmail.com>
>> Cc: Elecraft Mailing List <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] Sunspots!?!?
>> Message-ID: <alpine.DEB.2.21.2011262025440.6400 at iota.whitemesa.net>
>> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>>
>> A contrarian view of cycle 25 was recently published which predicts a
>> peak
>> SSN twice that of cycle 24:
>>
>> <
>> https://www.spaceweatherlive.com/community/topic/1775-new-research-suggests-solar-cycle-25-could-be-strongest-in-50-years/
>> >
>>
>> The article has a link to the paper, it's worth reading. They propose a
>> new criterion for predicting the strength of a cycle which in their
>> interpretation predicts a very strong cycle 25. Maybe they are on to
>> something, maybe not, but we'll have to wait until 2025 to find out. My
>> K3
>> is standing ready!
>>
>> Bob NW8L
>>
>> On Thu, 26 Nov 2020, Rich NE1EE wrote:
>>
>> > On 2020-11-25 16:52:-0700, Douglas Hagerman via Elecraft wrote:
>> >
>> >> If, by some miracle, the sunspot count were to eventually jump up to a
>> really high level, as was the case in around 2002, or even better in 1959,
>> how would the various Elecraft receivers work? I?m specifically interested
>> in the K1 and K2, but in general, is there a realistic problem with
>> overloading of the front end? Or, assuming that you can hear signals from
>> all over, will the selectivity, etc., be sufficient?
>> >>
>> >> Doug, W0UHU.
>> >
>> > I have been studying the records (I have a background in space plasma
>> physics). Of course, I am not an expert, but I do enjoy analyzing
>> scientific data. It seems to me that cycle 25 is likely to be a very active
>> cycle. I see that NASA is anticipating a peak with 115 sunspots in July
>> 2025, but I suspect that it will be much larger. Oops. Guess we'll see.
>> >
>> > ~R~
>> > 72/73 de Rich NE1EE
>> > The Dusty Key
>> > On the banks of the Piscataqua
>> >
>>
>> ------------------------------
>>
>> Message: 22
>> Date: Thu, 26 Nov 2020 20:13:14 -0800
>> From: Paul GACEK <paul.gacek at me.com>
>> To: Robert Cunnings <nw8l at whitemesa.com>
>> Cc: Elecraft Mailing List <elecraft at mailman.qth.net>, Rich NE1EE
>> <73.de.ne1ee at gmail.com>
>> Subject: Re: [Elecraft] Sunspots!?!?
>> Message-ID: <92C53145-E139-4717-8698-4BF2817A9FEF at me.com>
>> Content-Type: text/plain; charset=utf-8
>>
>> Happy thanksgiving to all you care!
>>
>> ....and thinking positively , I?m all for cycle 25 being a whopper and
>> incredible!
>>
>> Paul
>> W6PNG/M0SNA
>> www.nomadic.blog
>>
>>
>> > On Nov 26, 2020, at 7:32 PM, Robert Cunnings <nw8l at whitemesa.com>
>> wrote:
>> >
>> > ?A contrarian view of cycle 25 was recently published which predicts a
>> peak SSN twice that of cycle 24:
>> >
>> > <
>> https://www.spaceweatherlive.com/community/topic/1775-new-research-suggests-solar-cycle-25-could-be-strongest-in-50-years/
>> >
>> >
>> > The article has a link to the paper, it's worth reading. They propose a
>> new criterion for predicting the strength of a cycle which in their
>> interpretation predicts a very strong cycle 25. Maybe they are on to
>> something, maybe not, but we'll have to wait until 2025 to find out. My K3
>> is standing ready!
>> >
>> > Bob NW8L
>> >
>> >> On Thu, 26 Nov 2020, Rich NE1EE wrote:
>> >>
>> >>> On 2020-11-25 16:52:-0700, Douglas Hagerman via Elecraft wrote:
>> >>>
>> >>> If, by some miracle, the sunspot count were to eventually jump up to
>> a really high level, as was the case in around 2002, or even better in
>> 1959, how would the various Elecraft receivers work? I?m specifically
>> interested in the K1 and K2, but in general, is there a realistic problem
>> with overloading of the front end? Or, assuming that you can hear signals
>> from all over, will the selectivity, etc., be sufficient?
>> >>>
>> >>> Doug, W0UHU.
>> >>
>> >> I have been studying the records (I have a background in space plasma
>> physics). Of course, I am not an expert, but I do enjoy analyzing
>> scientific data. It seems to me that cycle 25 is likely to be a very active
>> cycle. I see that NASA is anticipating a peak with 115 sunspots in July
>> 2025, but I suspect that it will be much larger. Oops. Guess we'll see.
>> >>
>> >> ~R~
>> >> 72/73 de Rich NE1EE
>> >> The Dusty Key
>> >> On the banks of the Piscataqua
>> > ______________________________________________________________
>> > 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 paul.gacek at mac.com
>>
>>
>> ------------------------------
>>
>> Message: 23
>> Date: Thu, 26 Nov 2020 23:26:37 -0500
>> From: SteveL <lawresh at woh.rr.com>
>> To: Elecraft Reflector <elecraft at mailman.qth.net>
>> Subject: Re: [Elecraft] Firmware development
>> Message-ID: <231C79C1-AC21-4CD3-A697-AA2B25362231 at woh.rr.com>
>> Content-Type: text/plain; charset=utf-8
>>
>>
>> > . I can't think of one open source, community-based product that I'd
>> want to hang my hat on, even if I do see some that I'd support. I just
>> don't see the professional depth in the general community.
>> >
>>
>>
>> I own a popular open-source based 3D printer. Finding the firmware to
>> run the printer reliably is a challenge. Once found (or so I thought) then
>> there?s the task of compiling and loading the firmware after customizing
>> specifically for one of 4 different mother boards the vendor shipped with
>> the same printer model, using vague and incomplete recommendations from the
>> ?community". Then there?s the matter of rounding up all the right
>> libraries and versions used during the code ?make? when it fails. Oh and
>> it may require re-flashing a boot loader as it is susceptible to corruption
>> for reasons I cannot get a clear answer on. Once loaded to the printer,
>> only then to discover it?s really worse than the version you hoped to
>> repair, or dramatically changed in ways that demand relearning from the
>> beginning.
>>
>> I would have gladly paid $$ extra for non-open firmware that was
>> supported by the vendor and just worked!! I wanted to print - not test and
>> debug code!
>>
>> There is real value in proprietary, closed source?. particularly if it
>> reliably brings the features and functions I purchased and is well
>> supported by a responsive vendor such as Elecraft.
>>
>> Kudos to the Elecraft Team!
>> Steve
>> aa8af
>>
>>
>>
>> ------------------------------
>>
>> Message: 24
>> Date: Thu, 26 Nov 2020 21:47:14 -0700
>> From: David Gilbert <ab7echo at gmail.com>
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] Firmware development
>> Message-ID: <23cac315-1995-f62b-d5f6-c635ae4d4025 at gmail.com>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>>
>> "I can't think of one open source, community-based product that I'd want
>> to hang my hat on, even if I do see some that I'd support.?? I just
>> don't see the professional depth in the general community."
>>
>> Presumably you're talking about the amature radio community because
>> nonprofessional collaborative open source software development in
>> general is alive and very well, but even so how about N1MM+, or even
>> WSJT-X and derivatives?? I could probably come up with other examples if
>> I was willing to waste more time on it.
>>
>> I think it would be insane of Elecraft to open up any of their products
>> to open source development simply because of the chaos it would create
>> for them trying to deal with users who busted their radios with buggy
>> software that they probably wouldn't even admit to, but I also think
>> your basic premise is flawed.
>>
>> Dave?? AB7E
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 25
>> Date: Fri, 27 Nov 2020 11:09:07 +0200
>> From: Victor Rosenthal 4X6GP <k2vco.vic at gmail.com>
>> To: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] Firmware development
>> Message-ID: <8e5a5bb3-592b-60c1-0f4e-27825512fbe7 at gmail.com>
>> Content-Type: text/plain; charset=utf-8; format=flowed
>>
>> On the other hand, Elecraft can't afford to expend resources on new
>> features for products no longer in production. Professional development
>> costs money, and there's no revenue stream from free firmware for
>> products that are not for sale. It might even have a negative effect by
>> influencing users of older gear to keep it instead of upgrading.
>>
>> We are lucky that Elecraft fixes bugs in firmware for older products,
>> and provides support for module upgrades. Some companies don't.
>>
>> There really isn't a simple solution, except to buy a K4 and make
>> suggestions for new features while it is still the top of the line!
>>
>> Or, as I seem to be doing, follow Shimon Ben Zoma, who said, "Who is
>> rich? He who appreciates what he has," in my case an upgraded K3.
>>
>> 73,
>> Victor, 4X6GP
>> Rehovot, Israel
>> Formerly K2VCO
>> CWops no. 5
>> http://www.qsl.net/k2vco/
>> .
>> On 27/11/2020 6:47, David Gilbert wrote:
>> >
>> > "I can't think of one open source, community-based product that I'd
>> want
>> > to hang my hat on, even if I do see some that I'd support.?? I just
>> > don't see the professional depth in the general community."
>> >
>> > Presumably you're talking about the amature radio community because
>> > nonprofessional collaborative open source software development in
>> > general is alive and very well, but even so how about N1MM+, or even
>> > WSJT-X and derivatives?? I could probably come up with other examples
>> if
>> > I was willing to waste more time on it.
>> >
>> > I think it would be insane of Elecraft to open up any of their products
>> > to open source development simply because of the chaos it would create
>> > for them trying to deal with users who busted their radios with buggy
>> > software that they probably wouldn't even admit to, but I also think
>> > your basic premise is flawed.
>> >
>> > Dave?? AB7E
>>
>>
>> ------------------------------
>>
>> _______________________________________________
>> Elecraft mailing list
>> Post to: Elecraft at mailman.qth.net
>> http://mailman.qth.net/mailman/listinfo/elecraft
>> You must be a subscriber to post.
>> Elecraft web page: http://www.elecraft.com
>>
>> End of Elecraft Digest, Vol 199, Issue 22
>> *****************************************
>>
>
More information about the Elecraft
mailing list