So, received a new KLPA3A & KPA3A from Elecraft in exchange for my old ones plus $$. Installed the new KLPA3A & KPA3A and passed LP and HP TX Calibration. My 6M beam measures 1.06 SWR on analyzer. CW Key down, 100W, I get 1.2 on external SWR meter and 1 bar on K3S SWR meter. With FT8 I'm OK for 1 or 2 transmits and then I get infinity on external SWR meter and full scale on K3S SWR meter, but full power out. If I switch to a dummy load, I get zero power out (fold back?) If I operate FT8 at 8 watts with the beam, I get 1.2 on external SWR meter and 1 bar on K3S SWR meter and 8 watts out. Going back to CW full power seems to perform a reset. Everything still fine in CW, but now FT8 is OK for 1 or 2 transmits and then high SWR returns.
Any advice? A spur/oscillation in the KPA3A? A relay stuck/not switching? My TenTec Eagle is carrying the load for me during these 6M openings. (46 states worked in last few weeks) ___________ 73, Jim - N4ST ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com