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Re: [RFI] Constant carrier on 7025

To: David Eckhardt <davearea51a@gmail.com>
Subject: Re: [RFI] Constant carrier on 7025
From: Don Kirk <wd8dsb@gmail.com>
Date: Fri, 10 Nov 2023 16:21:50 -0500
List-post: <mailto:rfi@contesting.com>
Hi Dave,

I just looked at that signal using an SDR receiver set to an RBW of 9.2 Hz
and I don’t see much but possibly 120 Hz sidebands  but they are at least
50 dB down from the main carrier.

Don wd8dsb

On Fri, Nov 10, 2023 at 4:12 PM David Eckhardt <davearea51a@gmail.com>
wrote:

> Does anyone else hear the discrete upward stepping to the additional
> constant carrier?
>
> Dave - WØLEV
>
> On Fri, Nov 10, 2023 at 9:06 PM Steve London <n2icarrl@gmail.com> wrote:
>
> > 80 degrees from southwest NM, using 4 element yagi. Not very strong.
> >
> > 73,
> > Steve, N2IC
> >
> > On Fri, Nov 10, 2023 at 2:03 PM David Eckhardt <davearea51a@gmail.com>
> > wrote:
> >
> >> There is more than one carrier.  One stays put, the other steps upward,
> >> reinitializes, then begins again.  Time: 1358 local, 2058 UT.  There is
> a
> >> fair amount of weak non-amateur activity on 7.025 MHz.
> >>
> >> Receiver:  Icom 7300       Antenna:  450-foot long doublet fed with
> >>                                                balanced line, home brew
> >> bifilar common
> >>                                                mode choke, home bres
> >> L-network.
> >>
> >> I'm in the county with a relatively quiet RF environment.
> >>
> >> Dave - WØLEV
> >>
> >> On Fri, Nov 10, 2023 at 8:54 PM bill steffey ny9h <ny9h@comcast.net>
> >> wrote:
> >>
> >> > 10 over on dipole   12 mi South of washington        40 SW  of PGH
> >> >
> >> > On 11/10/2023 3:08 PM, Don Kirk wrote:
> >> > > Just noticed around 3pm EST a strong (S9) constant carrier on 7.025
> >> MHz
> >> > > that appears to be skywave.  A very crude quick check with portable
> >> flag
> >> > > indicates it’s heading is approximately 130 degrees from my QTH near
> >> > > Indianapolis.
> >> > >
> >> > > Just FYI in case it continues for any length of time.
> >> > >
> >> > > 73,
> >> > > Don wd8dsb
> >> > > _______________________________________________
> >> > > RFI mailing list
> >> > > RFI@contesting.com
> >> > > http://lists.contesting.com/mailman/listinfo/rfi
> >> >
> >> > --
> >> > link to my QRZ listing
> >> >
> >> >
> >> > https://www.qrz.com/db/ny9h
> >> >
> >> >
> >> > --
> >> > This email has been checked for viruses by AVG antivirus software.
> >> > www.avg.com
> >> >
> >> > _______________________________________________
> >> > RFI mailing list
> >> > RFI@contesting.com
> >> > http://lists.contesting.com/mailman/listinfo/rfi
> >> >
> >>
> >>
> >> --
> >>
> >> *Dave - WØLEV*
> >> _______________________________________________
> >> RFI mailing list
> >> RFI@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/rfi
> >>
> >
>
> --
>
> *Dave - WØLEV*
> _______________________________________________
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>
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