[RFI] Fwd: Re: broadcasting interference

[David Cole]

If you have a tower, listen to the BC station on 80 Meters, and gently
shake a guy wire...  What are the results?
-- 
Thanks and 73's,
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On Mon, 2014-04-14 at 21:28 -0300, Jorge Diez - CX6VM wrote:
> Hi Frank
> 
> Well, will be not easy to find another ham in my city!
> 
> I tested today from home, less than 1 kmts from the broadcasting antenna and didn´t notice it. I am using a SteppIR antenna in 20 mts position to listen on 3500 Mhz.
> 
> So this week will go again to CW5W and will test again there
> 
> Thanks,
> Jorge
> 
> 
> -----Mensaje original-----
> De: RFI [mailto:rfi-bounces at contesting.com] En nombre de donovanf at starpower.net
> Enviado el: lunes, 14 de abril de 2014 12:34 a.m.
> Para: rfi at contesting.com
> Asunto: [RFI] Fwd: Re: broadcasting interference
> 
> Hi Jorge,
> 
> Its best to ask a few other hams to run the same test at their QTHs.
> You could be experiencing 10 kHz-spaced intermod products, if thats the case they shouldn't show up at other QTHs. They could be generated outside your QTH but distant from the broadcast station
> 
> 73
> Frank
> W3LPL
> 
> ----- Original Message -----
> From: Jorge Diez - CX6VM <cx6vm.jorge at gmail.com>
> To: 'Tom Thompson' <tlthompson at qwest.net>, rfi at contesting.com
> Sent: Sun, 13 Apr 2014 18:35:30 -0400 (EDT)
> Subject: Re: [RFI] broadcasting interference
> 
> Hi Tom
> 
> Ok will do that, thanks for the help
> 
> 73,
> Jorge
> CX6VM/CW5W
> 
> -----Mensaje original-----
> De: Tom Thompson [mailto:tlthompson at qwest.net] Enviado el: domingo, 13 de abril de 2014 05:40 p.m.
> Para: Jorge Diez - CX6VM; rfi at contesting.com
> Asunto: Re: [RFI] broadcasting interference
> 
> Hi Jorge,
> 
> I would first confirm the reception on a different antenna and receiver. 
> Also, see if it occurs every 10 kHz below 3500. It sounds like it might be in their equipment. I recall a similar situation where there was a 10 kHz oscillation in a power supply that was causing the signal to reappear every 10 kHz from the fundamental. Just guessing, however.
> 
> Tom W0IVJ
> 
> 
> On 4/13/2014 2:10 PM, Jorge Diez - CX6VM wrote:
> > Hello
> >
> > 
> >
> > Today I arrived at the station to work on my 80 mts antenna and 
> > noticed the local AM broadcasting (1340 Khz) in the 80 mts band every 
> > 10 khz, at 3500, 3510, 3520, 3530, 3540, 3550  .3600 ..
> >
> > 
> >
> > They were transmitting soccer game so I think they are using full 
> > power that I believe is 10 KW. The broadcasting is 30 kmts from my 
> > station
> >
> > 
> >
> > What s that, is a problem here at my side? Or may I ask the 
> > broadcasting to check their equipements?
> >
> > 
> >
> > 73,
> >
> > Jorge
> >
> > CX6VM/CW5W
> >
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> >
> 
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