[Elecraft] K2 BFO Frequencies

[Charles Greene]

At 09:01 AM 2/14/2002 -0500, DolfinDon@aol.com wrote:

Don,

True, you can get the CW tones very close, but you still cannot get them 
closer than 5 to 8 Hz, which is still a problem for PSK31.


>In a message dated 2/14/2002 7:41:02 AM Central Standard Time, K4IA@aol.com
>writes:
>
>
>  I think I am OK now
>although I have an issue because my tone changes upwards when going from
>F1/F2 to F3/F4.  That I know isn't right but I am not quite sure what to do
>with it.
>
>
>+++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>Hi
>
>There are probably other methods but here is the way I do it. Set a
>Spectrogram marker at your sidetone frequency. Center the bandpass for each
>filter on that marker for CWn and CWr. Now with the antenna disconnect find
>the internal birdie at around 7.000 MHz. Go out of menu to normal and adjust
>the VFO so the birdie on the Spectrogram display is on top of the marker. Now
>without touching the VFO go into cal filter and make a small adjustment to
>each filter so the birdie is on top of the marker for each filter in CWn and
>CWr. When all is set up properly you can zero beat a CW signal and switch
>between filters or CWn or CWr with no change in tone.
>
>
>Don Brown
>KD5NDB

73, Chas, W1CG