Before: http://www.rcallen.com/noise14.gif
'Twas a little switcher that was powering my Oak Hills Research QRP Wattmeter giving it a convienient path to my attached 1500. It was s9+20 at 14.015 on my handheld Kenwood thf6. See the little bugger at: http://www.rcallen.com/offender.gif Thanks for all the ideas and now the bottom end of 20m is useable. http://www.rcallen.com/after.gif Great radio, Graham. Regards, Richard W5SXD Graham Haddock <[email protected]> wrote: (07/22/2010 11:07) >Richard: > >That looks like the signature of a switching powersupply. Are you using a >"wallwart" or other switching supply >to power your 1500? I would start by changing power supplies. > >Cheap switching supplies are notorious for emitting this kind of garbage. > >--- Graham / KE9H > >== > >On Thu, Jul 22, 2010 at 10:53 AM, richard allen <[email protected]> wrote: > >> Does anyone recognise this type of noise? >> >> http://www.rcallen.com/noise14.gif >> >> I figured I'd ask before starting to unplug everything as I have all sorts >> of possibilities in my lab. I still hear it with a dummy load on the >> antenna of my 1500 but not as strong. >> >> Richard W5SXD >> >> >> >> _______________________________________________ >> Flexedge mailing list >> [email protected] >> http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz >> This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used >> for posting topics related to SDR software development and experimentalist >> who are using beta versions of the software. >> _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
