[Elecraft] P3 TX Mon question

[Alan Bloom]

OK, what I did was change it so that, when a K3 is connected, the P3 TX 
monitor will only go into transmit mode when commanded to do so by the 
K3, even if RF power is present on the coax.  That should eliminate the 
false tripping.

It will be in the next beta release, which should be Real Soon Now.  :=)

Alan N1AL


On 08/12/2015 01:03 PM, W4CCS wrote:
> Guy:
>
> I agree and hold out hope Elecraft will do something.. If the sensitivity is
> set low for QRP operators, seems they would not need the 2KW sensor.
>
> Maybe have an option in the setup.. Like I stated earlier, it is very
> annoying and quite sure I'm not the only one with this concern..
>
> W4CCS
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Guy
> Olinger K2AV
> Sent: Wednesday, August 12, 2015 3:46 PM
> To: n1al at sonic.net
> Cc: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] P3 TX Mon question
>
> It would appear that the display needs an option to gate the display with
> the equivent of local TX asserted so it only responds to its own transmitted
> signal.  An option because others might want to know that their TX signal
> was coming back at them on another coax.
>
> Or perhaps set an adjustable gating power level defaulted to one watt.
>
> 73, Guy K2AV
>
> On Wednesday, August 12, 2015, Alan <n1al at sonic.net> wrote:
>
>> The transmit sensor in the P3 TX monitor trips at only a few tenths of
>> a watt (a few watts with the 2 kW coupler).  It was made sensitive so
>> it would work with QRP.
>>
>> Alan N1AL
>>
>>
>> On 08/12/2015 08:25 AM, W4CCS wrote:
>>
>>> The radio with the TX Mon is on 6 meters only. The HF antennas are
>>> about
>>> 200 feet away and about 150 feet high. That equates to around 90 feet
>>> Above the six meter antenna.. Thought that would be adequate.
>>>
>>> This never happens on the Power Master meter or on the LP-100.. Only
>>> the TX Mon.
>>>
>>> W4CCS
>>>
>>> -----Original Message-----
>>> From: Joe Subich, W4TV [mailto:lists at subich.com]
>>> Sent: Wednesday, August 12, 2015 10:51 AM
>>> To: W4CCS; Elecraft
>>> Subject: Re: [Elecraft] P3 TX Mon question
>>>
>>>
>>> Almost certainly "inter station coupling" particularly if the two
>>> antennas were close together and/or the (two radio) antenna switch
>>> lacks sufficient isolation.
>>>
>>> 73,
>>>
>>>       ... Joe, W4TV
>>>
>>>
>>> On 8/12/2015 10:09 AM, W4CCS wrote:
>>>
>>>> Sorry, I did not answer your question..
>>>>
>>>> Yes, the VSWR is showing high and all reflected..
>>>>
>>>> CCS
>>>>
>>>> -----Original Message-----
>>>> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf
>>>> Of Joe Subich, W4TV
>>>> Sent: Wednesday, August 12, 2015 9:30 AM
>>>> To: elecraft at mailman.qth.net
>>>> Subject: Re: [Elecraft] P3 TX Mon question
>>>>
>>>>
>>>> As N1AL indicated, the TX MON goes to maximum gain at low signal levels.
>>>> You're probably seeing inter station coupling - hopefully at low levels.
>>>>
>>>> Is the SWR very high - all "reflected"?
>>>>
>>>> 73,
>>>>
>>>>        ... Joe, W4TV
>>>>
>>>>
>>>> On 8/12/2015 9:20 AM, W4CCS wrote:
>>>>
>>>>> I have two K3's and two P3's but only one has the TX Mon option..
>>>>> When I transmit with the K3 that does NOT have the TX Mon
>>>>> installed, the P3 that does have it reacts showing VSWR and one
>>>>> sweep of the transmit
>>>>>
>>>> envelope..
>>>>
>>>>> This seems very strange.. The only thing in common between the two
>>>>> is the MicroHam router program..  Suggestions..??
>>>>>
>>>>>
>>>>>
>>>>> 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
>>>>> lists at subich.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
>>>> w4ccs at w4ccs.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
>>> n1al at sonic.net
>>>
>>> ______________________________________________________________
>> 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
> ______________________________________________________________
> 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 w4ccs at w4ccs.com
>
>