[Elecraft] K2 drifting?

[Lyle Johnson]

> if I have a very strong station nearby while I'm using
> OP1 on Tx & Rx and a very narrow  DSP filter I may not
> get the best function out of the filtering. 

The AGC would see the wider bandwidth while the computer running PSK31 
or whatever mode you are using would see the narrow bandwidth, so there 
could be some pumping due to AGC depending on QRM/QRN.

 > the question is if I use OP1 for Tx & Rx and a narrow
> DSP filter I don't think the DSP will change the frequency at
 > all like the FL2 - FL4 filters would, is that correct?

That is correct.  The DSP doesn't alter the frequencies.

73,

Lyle KK7P