Arie, Please see the firmware release notes here:
http://www.elecraft.com/KAT500/kat500_software.htm 73, Tony K4QE On Sat, Jun 29, 2013 at 7:02 AM, Arie Kleingeld PA3A <p...@xs4all.nl> wrote: > Hi all, > > KAT500 + KPA500 connected to K3 through coax and elecraft interfacecables. > NO antenna connected to KAT500 (all 3 connectors open) > KAT500 and K3 connected to same DC-supply. > > KPA500 off (AC cord disconnected) > > Results: > KAT500 switched on, Mode = auto, ANT = 1, no antenna connected: *S4 birdie > on 28004.5 kHz* measured by K3 > > test 1: > - Changing ANT connector on K3: birdie gone. > - Change antennaconnected on K3 back: birdie S4 again > - Change to other antennaconnectors on KAT500 makes very little > difference: <0.3dB Measured on dBV meter of K3 with AGC off > - Disconnecting the elecraft interface cables makes NO difference. Keep > them disconnected for further tests. > > test 2: > - Switch off KAT500 (hold mode switch): birdie drops <0.5dB > - Disconnect DC from KAT500: birdie is gone. (proof that is has to do with > the KAT500) > > test 3: > - KAT500 switched on again > - Connect dummyload on ANT 1 of KAT500 with KAT500 on: birdielevel goes UP > +2dB (as compared to no dummyload connected in tests 1 and 2). S-meter now > now has gone up to S5. > - then switch off KAT500: birdielevel drops DOWN -10.5dB > - switch off KAT500: birdie gone > > Can anyone reproduce this? > > I have not checked all other frequencies, so this might be the only one. > Still this is a birdie that I cannot ignore. > > 73 > Arie PA3A > > > > > ______________________________**______________________________**__ > Elecraft mailing list > Home: > http://mailman.qth.net/**mailman/listinfo/elecraft<http://mailman.qth.net/mailman/listinfo/elecraft> > Help: http://mailman.qth.net/mmfaq.**htm<http://mailman.qth.net/mmfaq.htm> > Post: mailto:elecr...@mailman.qth.**net <Elecraft@mailman.qth.net> > > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
