All diode-based SWR bridges have significant error at lower power levels. I suggest the use of 3W or higher for TUN PWR.
73! -Matt Always store beer in a dark place. - R. Heinlein [iPhone] > On Sep 24, 2016, at 04:02, Holger Schurig <[email protected]> wrote: > > Okay, figured it out. > > I don't have a real dummy load, but a BNC terminator with 50 Ohm. This one > is rated for only 0.5W, which I used as PWR setting. > > The SWR bargraph (while TUNE is active) start to appear when I use a TX > power of 0.4W ... 0.5W. However, the SWR display (e.g. "6.6-1") in the > VFOA display only appears above 0.7 .. 0.9W PWR setting. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

