[Elecraft] The K3 and the future

k3ndm at comcast.net k3ndm at comcast.net
Sun Sep 21 16:07:03 EDT 2014


Jim, 
Your problem may be the stations you call out. There are several problems with some of the gear on the air. First, is phase noise from the L.O. being amplified as well as the intended signal. That's a design issue with the basic radio. The other problem may be the operator. I have noticed that there are narrow band signals on the air and some not so narrow band signals, particularly with amplified SSB signals. The not so narrow band signals can be attributed over drive of the amplifier, improper driver adjustment, and probably to a lessor degree design. If you are running a panadapter or equivalent, you'll see what I have found. 

I live in the midst of a number of hams, some are running amps and one is just under a mile away. My KX3 has tolerated this "abuse" without me needing to do something special. Hopefully, you'll be able to work something out. 


73, 
Barry 
K3NDM 





----- Original Message -----

From: "jim" <jim at audiosystemsgroup.com> 
To: "elecraft" <elecraft at mailman.qth.net> 
Sent: Sunday, September 21, 2014 1:19:43 PM 
Subject: Re: [Elecraft] The K3 and the future 

On Sun,9/21/2014 1:25 AM, Vic Rosenthal K2VCO wrote: 
> There is nothing like the K3 for multi-transmitter contests, 
> DXpeditions and field day. 

It matters a LOT more than that -- KE1B is 8 miles from me with an ICOM 
7600 and tube amp. On CW, he regularly wipes out 10 kHz of whatever band 
he is on for me and for K6XX. SSB is worse. 

73, Jim K9YC 
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