[Elecraft] Digital Modes (PSK31 and JT-65) not working on 40 meters

PSK31 and JT-65 stopped working on 40 meters. . Initially I see the PO at 45 watts but then it immediately backs off to a fraction of a watt with no or very little modulation on the P3 with the transmit monitor. I change to 20 meters and everything works just fine. Same computer, same

Re: [Elecraft] Digital Modes (PSK31 and JT-65) not working on 40 meters

Sorry. Something else changed. Antenna? Mode? To name two Sent from my iPhone ...nr4c. bill > On Jan 30, 2016, at 10:27 AM, Larry Snyder wrote: > > PSK31 and JT-65 stopped working on 40 meters. . Initially I see the PO at 45 > watts but then it immediately backs off to a

Re: [Elecraft] Digital Modes (PSK31 and JT-65) not working on 40 meters

Larry, Try doing the TX Gain Calibration. It is quite easy to do from K3 Utility. If it fails in K3 Utility, then try doing it on a band by band basis as indicated in the Calibration section of the manual. 73, Don W3FPR On 1/30/2016 10:27 AM, Larry Snyder wrote: PSK31 and JT-65 stopped