I made some measurements on my K2/K60XV. It seems the bandpass filter does cut off just above 28.8 MHz and the available 1 mW output from the K60XV drops markedly starting around 29 MHz. It would not be practical to use this output unless the bandpass filter were retuned.
At the QRP antenna jack, using WSJT (and therefore presumably SSB) the power remains constant (when set for 2 watts) up to at least 29.4, so it seems the power control algorithm is doing its job. On CW, however, when raising the frequency the power drops. When starting at 29.4 MHz and going down, the power goes up well above 2 W. It can be reset to 2 W by moving the power knob off the 2 watt setting and back again. This isn't very practical in real operation, so once again, the conclusion is that to operate above 29 MHz the bandpass filter would need to be retuned. 73, Steve VE3SMA ______________________________________________________________ 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
