Ten kilometers! Wow, that’s DX! I know that you meant 10,000 miles, but to the global readership most ops will read it as “10 km“ first.
73, Kevin Sent from my iPhone > On Nov 10, 2023, at 11:15, Victor Rosenthal <k2vco....@gmail.com> wrote: > > I don't have a kpa1500, but I recall someone from Elecraft saying that > since the efficiency decreases when power is reduced, backing off the power > does not reduce the heat load. > > Victor 4X6GP > >> On Fri, Nov 10, 2023, 16:28 Pete Smith N4ZR <pete.n...@gmail.com> wrote: >> >> I started operating FT8 while my KPA-1500amp was out for repair. Now >> it's back and raising a question: >> >> Operating with just my K-3, set at 100 watts, I would see 100 watts >> indicated on its meter through the whole 15-second FT8 transmission.. >> When I drive my amp, it only needs 30 watts for full CW power (on 24 >> MHz), but the amp indicates 1200 watts input for the whole FT8 transmit >> cycle. I'm wondering if I should back off to protect the >> amp,considering the duty cycle is so high - on the other hand, the >> temperature reading profile of the amp seems to be pretty much the same >> as on CW. >> >> 73, Pete N4ZR >> ______________________________________________________________ >> 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 k2vco....@gmail.com > ______________________________________________________________ > 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 mcqui...@sfu.ca ______________________________________________________________ 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