N/m. Just saw that you've tried the RX ISO. matt
On Tue, 24 Jun 2014 20:00:52 +0100, you wrote: >Hi, > >I've noticed that my pair of scanners often receive strong spurii from my KX3's >receiver, in the UHF mil air band. Whilst the spurii can be detected faintly >with no cables attached to the KX3, when I attach certain cables, the strength >of the spurii increase, most notably the I/Q cable, which causes (what passes >for) the S-meter on the scanner to fully deflect. Connecting an antenna to the >KX3 doesn't seem to have any effect. > >The other day I noticed that my scanner had stopped on a locally used UHF >channel that was exactly 100 times the frequency in the 80m band that I was >listening to. Today I have noticed that listening on 7.08Mhz SSB, my scanners >stop on 389.4Mhz, which seems to be the 55th harmonic of the KX3's dial >frequency. > >This is affecting my AOR-8600mk2 and IC-R20. Unfortunately, I've also been >developing a hybrid spectrum sensing scanner (called Onsense), that uses a >HackRF to sample the mil air band and tune in my AOR-8600mk2 to the strongest >signal detected. I find that I am constantly having to add frequencies to >Onsense's blacklist as I tune my KX3. This isn't a good situation to be in. > >I already have a ferrite on the I/Q cable, but that doesn't help. When I >enable >the 8kHz shift on the KX3, the previously detected spurii goes away. Whether >it >goes entirely or not, I don't know, it may just shift to another frequency that >isn't being scanned. The RX Isolation filter is enabled. > >Is anyone else having similar problems? Is this normal for a KX3? Is there >anything I might try to mitigate this? > >Cheers, > >Darren, G0HWW > > > >______________________________________________________________ >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 mzil...@roadrunner.com Matt Zilmer, W6NIA -- "Give me six hours to chop down a tree and I will spend the first four sharpening the axe." -A. Lincoln ______________________________________________________________ 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
