Topband: AM interference on 1840

[Allan Boike]

So if you move up to 1848 what happens to ssb dx window

On Mon, May 20, 2019 at 12:35 PM Herbert Schoenbohm <
herbert.schoenbohm at gmail.com> wrote:

> A notch filter on 930 won't help as the IX is transmitted on 1860.
>
> Herb, KV4FZ
>
> On Mon, May 20, 2019 at 1:26 PM Mark Schoonover <mark at ka6wke.net> wrote:
>
> > Mark,
> >
> > How about a notch filter centered on 930? Search on AM BCB Filter to get
> > some ideas.
> >
> > 73! Mark KA6WKE
> >
> > Website: https://www.ka6wke.net
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> >
> >
> > On Mon, May 20, 2019 at 9:24 AM Mpridesti via Topband <
> > topband at contesting.com> wrote:
> >
> >> I have a local AM station here (about 3 km away) that operates on 930
> >> kHz. Their second harmonic is 1860.  Seems they are operating within
> >> specification and abide by FCC regulations. But still the second
> harmonic
> >> wipes out any DX on or near that frequency. Signal strength is around
> S7.
> >>
> >> Regards,
> >>
> >> Mark, K1RX
> >>
> >>
> >> > On May 20, 2019, at 11:54 AM, Jorge Diez - CX6VM <
> cx6vm.jorge at gmail.com>
> >> wrote:
> >> >
> >> > I think HK authorities must do something with this.  Local radio Clubs
> >> must
> >> > act
> >> >
> >> > https://www.lavozdelpueblo920am.com/programacion
> >> >
> >>
> https://www.facebook.com/mauriciovargaslavozdelpueblo/photos/a.1922152811350449/2377754772456915/?type=1&theater
> >> > https://twitter.com/mauriciov920
> >> > https://raddio.net/134431-colmundo-radio-ibague/
> >> >
> >> > 73,
> >> > Jorge
> >> > CX6VM/CW5W
> >> >
> >> > <
> >>
> https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail
> >> >
> >> > Libre
> >> > de virus. www.avast.com
> >> > <
> >>
> https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail
> >> >
> >> > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> >> >
> >> > El lun., 20 may. 2019 a las 12:47, Herbert Schoenbohm (<
> >> > herbert.schoenbohm at gmail.com>) escribió:
> >> >
> >> >> Interference from them makes 1840 useless for me.  Since they don't
> >> >> respond to my emails maybe WSJT-X could assign 1844 or 1848 to 160 in
> >> their
> >> >> next release.
> >> >>
> >> >> Herb Schoenbohm, KV4FZ
> >> >>
> >> >> On Mon, May 20, 2019 at 11:21 AM Jorge Diez - CX6VM <
> >> cx6vm.jorge at gmail.com>
> >> >> wrote:
> >> >>
> >> >>> Hello
> >> >>>
> >> >>> do you notice a second harmonic on 1840?  It´s very strong
> >> >>>
> >> >>> I determined that is from LA VOZ DEL PUEBLO 920 AM, in Colombia
> >> >>>
> >> >>> https://www.lavozdelpueblo920am.com/
> >> >>>
> >> >>> I sent them an email with no answer yet.
> >> >>>
> >> >>> Maybe if they receive many emails will take care about that and ask
> >> the
> >> >>> technic to solve it, what do you think?
> >> >>>
> >> >>> --
> >> >>> 73,
> >> >>> Jorge
> >> >>> CX6VM/CW5W
> >> >>>
> >> >>> <
> >> >>>
> >>
> https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail
> >> >>>>
> >> >>> Libre
> >> >>> de virus. www.avast.com
> >> >>> <
> >> >>>
> >>
> https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail
> >> >>>>
> >> >>> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> >> >>> _________________
> >> >>> Searchable Archives: http://www.contesting.com/_topband - Topband
> >> >>> Reflector
> >> >>>
> >> >>
> >> >
> >> > --
> >> > 73,
> >> > Jorge
> >> > CX6VM/CW5W
> >> > _________________
> >> > Searchable Archives: http://www.contesting.com/_topband - Topband
> >> Reflector
> >>
> >> _________________
> >> Searchable Archives: http://www.contesting.com/_topband - Topband
> >> Reflector
> >>
> >
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband
> Reflector
>