[Elecraft] SSB cal fil problem
George, W5YR
[email protected]
Tue Oct 15 14:11:04 2002
One must change the filter selection after making any change in order to
save the latest value. If this is not done, the new value will not replace
the old one.
73/72, George
Amateur Radio W5YR - the Yellow Rose of Texas
In the 57th year and it just keeps getting better!
Fairview, TX 30 mi NE of Dallas in Collin county EM13qe
K2 #489 Icom IC-765 #2349 Icom IC-756 PRO #2121
Christian GONDARD wrote:
>
> hello,
>
> I aggree with Jerry : I have noted the same behaviour : same BFO settings
> for FL1 es FL2 do not produce the same audio frequency on a reference
> transmitter.
> Attempts to correct that by adjusting BFO's do not work when you exit the
> MENU mode. But I have noted that "often !!" the modifications are correct
> after exiting MENU if you move through the different FL parameters after
> modifying one BFO.
>
> This is not a problem on SSB, nor CW. It becomes a problem when using
> digital modes (RTTY, and more on PSK), where TX and RX frequencies must be
> very closed (i.e : much less than 10 Hz for PSK). In my case, using same
> parameters for FL1 (OP1) for SSB and RTTY, gives a shift of 30 hertz between
> RX frequencies. After many tests, I was unable to find a better settings of
> BFO parameters, so I stay like that ...
>
> But I am curious to read an explanation about this behaviour ..
>
> best regards and 72/73
>
> Chris / F6FTB / K2 #644 + KPA100 (waiting for the KAT100 !!)