[RFI] Fw: FM on 2.250?

WD8ARZ WD8ARZ" <wd8arz@ix.netcom.com
Thu, 17 Jan 2002 14:41:19 -0500

There used to be a product to do wireless linking on computers to the
telephone line and it used FM at about 3.515 .... maybe some others were on
similar low frequencies?

73 from Bill - WD8ARZ

----- Original Message -----
From: "Jamie WW3S" <jtolbert@gremlan.org>
To: <rfi@contesting.com>
Sent: Wednesday, January 16, 2002 18:26
Subject: [RFI] Fw: FM on 2.250?

> I've been plagued with a noise problem here on 160 that has been driving
> crazy. The noise seems centered on 2.250 mc.  Just when I thought it was
>  from the local AM station on 1490, I was cycling thru the modes on my
>  and it seems to be FM!! With 18db of attentuation and using my C3 the
> signal
>  is 40db over S9. On my 160m Inv L its 60+ even with the 18db in. It
>  like a dead carrier but then I started hearing what sounds like old style
>  analog data. No real pattern but every 3-5 minutes it will send small
> bursts
>  of data, almost like a  metering circuit. It also appears to have voice
>  traffice on it at times although I can't understand it ( maybe narrow
>  There is a National Fuel pump station close by ( less than 1 mile). Could
>  this maybe be their stuff? I've been trying to do the math for
>  mixing/rectification/BCI on the 1490 station as the 3rd harmonic is very
>  loud on 4.470
>  but isn't that loud on 2.980. I don't think it commercial power.....and
> sure abouot BCI...
> Anybody  have any ideas?
> 73 Jamie WW3S