I can see the 7025 carrier, (spot on 7025) quite weak in Alberta. I can
also just detect the 120 hz sidebands, using the perseus and 0.48 rbw...
No stepped carrier seen in the vicinity.
On Fri, Nov 10, 2023 at 2:33 PM David Eckhardt <davearea51a@gmail.com>
wrote:
> The stepped carrier does not fade due to ionospheric modulation at the same
> rate or period as the constant carrier. Are the two sourced from similar
> locations? This implies not.
>
> Dave - WØLEV
>
> On Fri, Nov 10, 2023 at 9:25 PM David Eckhardt <davearea51a@gmail.com>
> wrote:
>
> > 120 Hz, I can forgive due to a badly filtered power supply. However, the
> > stepped frequency, always upward, seems to always be there, but it's
> > presence is not fixed between time slots.
> >
> > Dave - WØLEV
> >
> > On Fri, Nov 10, 2023 at 9:22 PM Don Kirk <wd8dsb@gmail.com> wrote:
> >
> >> 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*
> >>> _______________________________________________
> >>> RFI mailing list
> >>> RFI@contesting.com
> >>> http://lists.contesting.com/mailman/listinfo/rfi
> >>>
> >>
> >
> > --
> >
> > *Dave - WØLEV*
> >
> >
> >
>
> --
>
> *Dave - WØLEV*
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
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