[Elecraft] Power loss on 15 meters with K3s

[Gerald Finn]

I had posted about a problem with my K3s loosing transmitting power on only 15 
meters during a transmission.  The transmitter is set for 75 watts.  The power 
could be restored by turning the rig off and back on.  With the power set for 
10 watts, the rig performs properly and does not loose power.  I posted an 
enquiry on the list and received several excellent emails.  I also sent a 
message to Elecraft regarding the problem.  This morning I received a phone 
call from Doug with Elecraft.  After consulting with another service 
technician, he thought the problem could be due to aging capacitors in a band 
pass filter.  He recommended waiting for a complete failure before sending the 
rig back for service.  

73  Jerry W6RKE
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[Elecraft] K3s problem

[Gerald Finn]

My K3s has been working wonderfully since bought new in 2015.  I use it for CW 
only and run it at 75 - 85 watts.  It has a new problem on 15 meters only.  
After a short period of transmission the power will disappear.  Turning the 
power off and on restores full functions for another amount of time.  The 
receiver section is not affected.  Any suggestions for where I should start 
looking?  Thank you 73.Jerry W6RKE
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Re: [Elecraft] Uninterruptible Power Supply for K3S

[Gerald Finn]

In response to Stengrevics :  To deal with a power line noise problem, someone 
suggested I try an
uninterruptible power supply (UPS).? Does anyone have any experience doing
this?? If so, what UPS specifications are appropriate to handle the K3S?

For my Elecraft K3S/P3 I am using an Astron RS35M power supply which feeds a 
West Mountain DC-to-Go  with attached Radio Power Gate PG40S and RigRunner 
4007U.  My battery is a 79 amp hour AGM.  I live on an island and at stormy 
times of the year, we experience power losses and multiple short hits.   This 
combination has been quite satisfactory.
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[Elecraft] Which of these would make the best power supply for the K3(S)?

[gerald finn]

For powering my Elecraft K3S and P3, I am using the Astron RS-35 power supply 
feeding a West Mountain DC-to-Go PWR gate PG40S and Rigrunner 4007U with a 79 
Amp hour battery.  

Living on an island, we have many spikes and losses of power during the year.  
I figure that if I'm spending a sizable amount for my rig, I should have a good 
power supply.


-Original Message-
>From: elecraft-requ...@mailman.qth.net
>Sent: Oct 29, 2015 7:41 AM
>To: elecraft@mailman.qth.net
>Subject: Elecraft Digest, Vol 138, Issue 40
>
>Send Elecraft mailing list submissions to
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>
>When replying, please edit your Subject line so it is more specific
>than "Re: Contents of Elecraft digest..."
>
>
>Today's Topics:
>
>   1. KX3 to Computer (Forest Shick)
>   2. Re: KX3 to Computer (Martin Waller)
>   3. K3 and Wsjt (Guy F2CT)
>   4. Re: KX3 to Computer (Lyle Johnson)
>   5. Re: KX3 to Computer (martin waller)
>   6. Re: KX3 to Computer (Lynn W. Taylor, WB6UUT)
>   7. Re: KX3 to Computer (martin waller)
>   8. For Sale:  K3 Xtal Filters (William Evans)
>   9. Re: KX3 AGC HLD settings (Cady, Fred)
>  10. K3 Xtal Filters for sale (really!) (William Evans)
>  11. Re: For Sale:  K3 Xtal Filters (Ian - Ham)
>  12. Icoms answer to the KX3?? (Joe W2KJ)
>  13. Re: Icoms answer to the KX3?? (Lynn W. Taylor, WB6UUT)
>  14. Re: K3 Xtal Filters for sale (really!) (William Evans)
>  15. Re: K3 - PSK31 - AGC/No AGC (David Woolley)
>  16. Re: K3 and Wsjt (Michael Eberle)
>  17. Re: K3 - PSK31 - AGC/No AGC (Don Wilhelm)
>  18. Re: Icoms answer to the KX3?? (Wayne Burdick)
>  19. Re: K3 - PSK31 - AGC/No AGC (Bob McGraw - K4TAX)
>  20. Re: K3 - PSK31 - AGC/No AGC (Fred Jensen)
>  21. Re: K3 - PSK31 - AGC/No AGC (Bob McGraw - K4TAX)
>  22. Re: Icoms answer to the KX3?? (Martin Storli - LA8OKA)
>  23. Re: K3S In-Depth Review Coming Soon? (Ian White)
>  24. Re: Icoms answer to the KX3?? (Heinz B?rtschi)
>  25. Which of these would make the best power supply for the
>  K3(S)? (Peter Pauly)
>  26. Re: KRC2 rs232 to cpu not working (Gordon LaPoint)
>  27. Re: Which of these would make the best power supply for the
>  K3(S)? (Bob McGraw - K4TAX)
>  28. Re: Which of these would make the best power supply for  the
>  K3(S)? (Mike K2MK)
>  29. IMD and supply voltage (frank)
>  30. Re: IMD and supply voltage (Don Wilhelm)
>
>
>--
>
>Message: 1
>Date: Wed, 28 Oct 2015 16:58:09 -0400
>From: "Forest Shick" 
>To: 
>Subject: [Elecraft] KX3 to Computer
>Message-ID: <01d111c3$5a521a00$0ef64e00$@rochester.rr.com>
>Content-Type: text/plain;  charset="us-ascii"
>
>What is the easiest way to connect the KX3 to a computer for RTTY, PSK31 &
>SSTV. I have purchased the cable set. I connect the KX3 - Phones connector
>to the computer audio in and I can receive RTTY & SSTV. If I connect the
>computer audio out to the KX3 MIC, the radio goes into transmit. I would
>guess this is because the connector on the cable is incorrect for the MIC
>connector - too few contacts.
>
> 
>
>So how do you connect the audio for transmitting?
>
>Thank You
>
>
>
>--
>
>Message: 2
>Date: Wed, 28 Oct 2015 21:21:09 + (UTC)
>From: Martin Waller 
>To: Forest Shick ,
>   "elecraft@mailman.qth.net" 
>Subject: Re: [Elecraft] KX3 to Computer
>Message-ID:
>   <908986974.6767064.1446067269138.javamail.ya...@mail.yahoo.com>
>Content-Type: text/plain; charset=UTF-8
>
>Hi,
>Good questions. I have been playing with RTTY myself this last few days and 
>hit just that problem. I have been holding the microphone infront of the PC 
>speaker in the interim as that worked as a temporary solution.
>I would like to know the best way of doing this too.
>MartinG0PJO 
>
>
> On Wednesday, 28 October 2015, 20:58, Forest Shick 
>  wrote:
>   
>
> What is the easiest way to connect the KX3 to a computer for RTTY, PSK31 &
>SSTV. I have purchased the cable set. I connect the KX3 - Phones connector
>to the computer audio in and I can receive RTTY & SSTV. If I connect the
>computer audio out to the KX3 MIC, the radio goes into transmit. I would
>guess this is because the connector on the cable is incorrect for the MIC
>connector - too few contacts.
>
> 
>
>So how do you connect the audio for transmitting?
>
>Thank You
>
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>Post: 

[Elecraft] West Mountain DC to Go with K3 (W6RKE)

[Gerald Finn]

This is my first question for this list.  I hope my format is acceptable.  

Has anyone used one of the West Mountain Radio DC to Go with PWRgate and 
RIGrunner battery boxes with their K3?  

In advance, thank you
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