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 <[email protected]> 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 > Live Stream: https://www.ka6wke.net/live-stream > YouTube Live!: https://bit.ly/bench-therapy-live > Facebook: https://www.facebook.com/ka6wke > Twitter: https://www.twitter.com/ka6wke > EMail Announcement: [email protected] > Author: 4NEC2 The Definitive Guide > EMail List:: [email protected] > > > On Mon, May 20, 2019 at 9:24 AM Mpridesti via Topband < > [email protected]> 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 <[email protected]> >> 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 (< >> > [email protected]>) 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 < >> [email protected]> >> >> 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
