When the alpha 91 is in line, the K3 meter will report the SWR of the 91B input circuitry. The apparent SWR of the 91b input can change with different drive levels. You did not report what "significant reflected power" was.
73, Guy. On Tue, Nov 3, 2009 at 2:18 PM, Brian Machesney <[email protected]> wrote: > I'm feeding a "double L" antenna on 160m (visualize a vertical dipole with > the top and bottom legs bent to form something like a capital "C" and fed > in > the middle of the vertical leg). The SWR bridge on the K3 shows 1:1 SWR, > but > when I fire up my Alpha 91B, I see significant reflected power. > > I recently saw a post on the topband reflector from another K3 owner whose > 160m output power is being reduced from 100W to 50W by the K3 even though > the SWR reads 1:1 on the K3's internal SWR bridge. > > Has anyone else seen this or have an explanation for it? > > -- > 73 -- Brian -- K1LI > ______________________________________________________________ > 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 > ______________________________________________________________ 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
