[Elecraft] [K2] Question about tuning K2 for SSB..
VK7JB
zendoc at netspace.net.au
Wed Nov 3 22:20:56 EDT 2010
Hi All,
I'm learning to drive my new K2/100 and have reached a conceptual block that
will betray a fundamental lack of understanding, but here goes anyway...
My K2 dial frequency reads about 20hz under the actual frequency - receiving
WWV on 10000.00, the LCD frequency readout reads 9999.98. That's all good.
But, when I'm working SSB and want to make contact with a station already
transmitting on a particular frequency, how do I handle the tuning to ensure
I'm transmitting on his frequency exactly. Do I tune my K2 to achieve best
resolved audio receiving his signal, regardless of the actual frequency
displayed on my LCD, then assume when I hit TX I'll be transmitting exactly
on his frequency? Or is there any other way to account for this small 20hz
shift, to make sure I'm transmitting exactly where he is tuned?
I'm running my K2 with the MH-2 mic and last night got reports of "muffled"
audio. I suspect I'll need to tweak the SSB filter passband position- the
position looks good on Spectrogram with the low frequency roll off for the
SSB Tx filter sitting around 300hz, but I understand it may need some
"optimising" with live audio monitoring. I did wonder if my tuning
technique was contributing to the problem - perhaps I'm not transmitting
exactly where they're listening.
I hope that makes sense. Any advice always gratefully received,
73,
John
VK7JB
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