I'm starting to play a bit with JT65 on HF (using WSJT-X) with my K2 and 
homebrew interface hardware.  The frequency response of the K2 seems reasonably 
flat, but occasionally I see power dropouts when the tones change.  This is 
despite always hitting the requested power at any audio frequency using the 
"tune" button in WSJT-X. It seems to happen less when I have plenty of audio 
drive - does it make sense that the K2 power control might get a bit confused 
by switching transients when there is only just enough audio to get the RF 
output up to the value set with the power knob? For those who are using WSJT 
modes on the K2 successfully, what ALC readings do you usually run at ? I'm 
hoping eventually to get the K2 going with transverters for VHF meteor scatter 
on FSK441 - is the stock OP1 filter wide/flat enough to work well for this 
mode?  S/N 4509 is the older of my two K2s. Any other hints for using the K2 on 
WSJT modes? 73,Steve VE3SMA 
 
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