[Elecraft] K3 SUB RX question

2012-11-26 Thread kt5d


I am in need of advice please..

I want to use an OCF non-resonant dipole through the K3ATU to the SUB RX 
and use a vertical for the MAIN RX antenna for diversity reception. Then 
I want the SUB RX to mute in transmit mode while transmitting on the 
vertical.


Is this possible? How do I configure this with the K3 controls?
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[Elecraft] K3 sensitivity below 40 meters

2012-11-13 Thread kt5d

Conventional wisdom historically has been that a receiver preamp is not 
used at 40 meters and below primarily because it is not needed, indeed 
it would typically degrade receiver performance. So why is it necessary 
to engage the 20 dB preamp on the K3 to get it to hear an S9 signal at 
the appropriate level of other receivers?
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[Elecraft] K2/100 and Ten Tec Titan

2005-03-15 Thread kt5d
Talk about QRP sacrilege .. I moved the OMNI 6+ out of the way and 
connected the K2/100 to the Titan 425 amp. No RF feedback, no thumps, no 
instabilities; just a little flicker of the room lights and 1500 watts of rock 
solid QSK RF. Whens the next contest?

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[Elecraft] filter alignment question

2005-03-10 Thread kt5d
I recently acquired K2 #1084 from a friend. I upgraded the radio to Rev. B, 
added the DSP module and am about half way through the KPA100. As I was 
aligning the filters I noticed something unexpected. Everything seems to be 
fine except that as I scroll through the CW XFIL filters, the tone of the test 
signal changes slightly. Is this to be expected? Is it possible to get the tone 
exactly the same for every filter setting or is a slight variation normal? 
The DSP was in bypass while alignment on the XFIL filters was done. 

The K2 is a wonderful little radio. It sits on top of an OMNI 6+. Its a tough 
decision lately which one to use, hi hi. 

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