I have just finished the KPA100 build and all went well with the checkouts and 
alignments. Now that it is all together I just checked the radio on a dummy 
load. Here is what I am getting while in CW (Do not have SSB  on this rig) Once 
the Key is released there is a chirping sound coming from the speaker of the 
K2. I have used my headphones and same chirp is there. I have listened to the 
code being sent from the K2 with my K3 and there is no chirp coming over the 
air. It seems to be  more noticeable on 80 40 and 30 meters and there is a 
slight trace of it on 20,15 and so on. I did the test at low power (5 watts) 
and high power (100 watts) with the same results. 
The other issue I noticed was on 15 meters if the k2 was turned up to over 100 
watts on the readout the message HI Cur came up but as long as I kept the power 
to 100 watts or less all was well. 
Thanks
Mike
VE3WDM
http://ve3wdm.blogspot.com
                                          
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