http://www.audiosystemsgroup.com/RFI-Ham.pdf
search for bucket -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Richard Allen Sent: Thursday, July 22, 2010 3:30 PM To: dan edwards Cc: [email protected] Subject: Re: [FlexEdge] noise source found and killed K9YC's bucket test? We gotta know ... w5sxd On Jul 22, 2010, at 3:02 PM, dan edwards <[email protected]> wrote: > sure wish there was a cheap and easy way to clean those buggers up.. > > besides K9YC's 'bucket test'....... > > 73, w5xz, dan > > > --- On Thu, 7/22/10, richard allen <[email protected]> wrote: > > From: richard allen <[email protected]> > Subject: [FlexEdge] noise source found and killed > To: "Graham Haddock" <[email protected]> > Cc: [email protected], [email protected] > Date: Thursday, July 22, 2010, 6:55 PM > > 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. _______________________________________________ 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.
