Topband: AM interference on 1840

[Herbert Schoenbohm]

The 1840 interference from the HK BC station propagates 1000's of miles.  I
bet they are using a solid state PA without a bandpass filter.

Herb, KV4FZ

On Mon, May 20, 2019 at 1:24 PM Mpridesti <mpridesti at yahoo.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>
> >>> _________________
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> >>>
> >>
> >
> > --
> > 73,
> > Jorge
> > CX6VM/CW5W
> > _________________
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>
>