September 2024 - AMSAT-BB - mailman.amsat.org

Re: FM and Linear Satellites
by Jon 20 Sep '24

20 Sep '24

Great to hear from you Pedro! Your pass prediction sites are quite popular in our region. We have been routinely using it to work satellites by manual Doppler correction. Your page on expected satellite decay is also being followed by many of us. On a side note, is it possible to convert it from http to https? Many antivirus softwares and even Windows 11 blocks http sites by warning them as 'Untrustworthy', though we very well know that they are safe. Several new users moved away from the site because of this warning. In fact, the same problem is there for many of the ham radio related sites which have been there for a long time. 73 Jon, VU2JO On Sat, Sep 21, 2024 at 12:46 AM Pedro Converso via AMSAT-BB < amsat-bb(a)amsat.org> wrote: > In your local time with frequencies + Doppler: > > FM: http://amsat.org.ar/pass?type=FM > > SSB: http://amsat.org.ar/pass?type=SSB > > May check on https://www.amsat.org/status/ latest reports > > 73, lu7abf, Pedro > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org

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FM and Linear Satellites
by Pedro Converso 20 Sep '24

20 Sep '24

In your local time with frequencies + Doppler: FM: http://amsat.org.ar/pass?type=FM SSB: http://amsat.org.ar/pass?type=SSB May check on https://www.amsat.org/status/ latest reports 73, lu7abf, Pedro

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Re: MESAT1 linear transponder is ON 0050utc 20 Sept 2024
by Paul Stoetzer 20 Sep '24

20 Sep '24

There are 4 FM satellites by Chinese organizations, including CAMSAT and others, that have been coordinated by the IARU. No information on launch dates though. I believe AMSAT-EA also has another pocketqube like SO-121 on the horizon with the potential for a bit more downlink power. 73, Paul, N8HM On Fri, Sep 20, 2024 at 11:08 AM Charles Rubenstein via AMSAT-BB < amsat-bb(a)amsat.org> wrote: > Per David 4X1DG, there is a plan to launch several new TEVEL satellites, > hopefully in 2025. Hopefully it will occur then. > The plan is for 9 new FM birds. > > Charlie KB8CR > > > On Sep 20, 2024, at 10:50 AM, Jon via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > > Are there any FM satellites in the pipeline? > I have only an FM dual bander! > > 73 > > Jon, VU2JO > > On Fri, Sep 20, 2024 at 7:04 PM Mark L. Hammond via AMSAT-BB < > amsat-bb(a)amsat.org> wrote: > >> Hello Amsat folks, >> >> Yesterday evening we enabled the transponder on MESAT1. Give it a try! >> Signals have been looking good. >> >> 73! >> >> Mark L. Hammond [N8MH] >> AMSAT Director and Command Station >> >> >> ----------------------------------------------------------- >> >> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >> to all interested persons worldwide without requiring membership. >> Opinions expressed >> are solely those of the author, and do not reflect the official views of >> AMSAT-NA. >> Acceptable Use and Privacy Policies available at >> https://www.amsat.org/about-amsat/ >> >> View archives of this mailing list at >> https://mailman.amsat.org/hyperkitty/list/[email protected] >> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >> Manage all of your AMSAT-NA mailing list preferences at >> https://mailman.amsat.org > > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org > > > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org

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Re: MESAT1 linear transponder is ON 0050utc 20 Sept 2024
by Charles Rubenstein 20 Sep '24

20 Sep '24

Per David 4X1DG, there is a plan to launch several new TEVEL satellites, hopefully in 2025. Hopefully it will occur then. The plan is for 9 new FM birds. Charlie KB8CR > On Sep 20, 2024, at 10:50 AM, Jon via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > > Are there any FM satellites in the pipeline? > I have only an FM dual bander! > > 73 > > Jon, VU2JO > > On Fri, Sep 20, 2024 at 7:04 PM Mark L. Hammond via AMSAT-BB <amsat-bb(a)amsat.org <mailto:[email protected]>> wrote: >> Hello Amsat folks, >> >> Yesterday evening we enabled the transponder on MESAT1. Give it a try! Signals have been looking good. >> >> 73! >> >> Mark L. Hammond [N8MH] >> AMSAT Director and Command Station >> >> >> ----------------------------------------------------------- >> >> Sent via AMSAT-BB(a)amsat.org <http://amsat.org/>. AMSAT-NA makes this open forum available >> to all interested persons worldwide without requiring membership. Opinions expressed >> are solely those of the author, and do not reflect the official views of AMSAT-NA. >> Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ >> >> View archives of this mailing list at >> https://mailman.amsat.org/hyperkitty/list/[email protected] >> To unsubscribe send an email to amsat-bb-leave(a)amsat.org <http://amsat.org/> >> Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org <https://mailman.amsat.org/> > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions expressed > are solely those of the author, and do not reflect the official views of AMSAT-NA. > Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org

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Re: MESAT1 linear transponder is ON 0050utc 20 Sept 2024
by Jon 20 Sep '24

20 Sep '24

Are there any FM satellites in the pipeline? I have only an FM dual bander! 73 Jon, VU2JO On Fri, Sep 20, 2024 at 7:04 PM Mark L. Hammond via AMSAT-BB < amsat-bb(a)amsat.org> wrote: > Hello Amsat folks, > > Yesterday evening we enabled the transponder on MESAT1. Give it a try! > Signals have been looking good. > > 73! > > Mark L. Hammond [N8MH] > AMSAT Director and Command Station > > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org

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Re: Newer Starlink satellites are very "bright" at RF vexing radio astronomers
by Kevin Schuchmann 20 Sep '24

20 Sep '24

I think that is a little harsh. When the first batches went up they were quite bright in the night sky and Starlink modified them with non reflective coatings and visors to reduce their brightness. I'm pretty sure Starlink will try and reduce their unintended RF radiation also, time will tell. Kevin Hide original message On Thursday, September 19th, 2024 at 10:27 PM, Bernd Peters via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > Those satellites are built by a for-profit organization. They want to make money by providing internet services, they don't care about science or scientific research. > > 73, > Bernd - KB7AK > > On Thu, Sep 19, 2024 at 8:58 PM Jon via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > >> Then that is potentially rectifiable. >> Hope future satellites will be better off so that Radio Astronomy does not suffer. >> >> 73 >> >> VU2JO On Thursday, September 19th, 2024 at 10:27 PM, Bernd Peters via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > Those satellites are built by a for-profit organization. They want to make money by providing internet services, they don't care about science or scientific research. > > 73, > Bernd - KB7AK > > On Thu, Sep 19, 2024 at 8:58 PM Jon via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > >> Then that is potentially rectifiable. >> Hope future satellites will be better off so that Radio Astronomy does not suffer. >> >> 73 >> >> VU2JO >> >> On Fri, Sep 20, 2024 at 8:17 AM Wdwhalen via AMSAT-BB <amsat-bb(a)amsat.org> wrote: >> >>> Just some ideas based on time in the industry building satellites would be poor quality enclosures on the satellite, lack of filter pins on external cables, general poor workmanship or tolerances on electrical unit boxes meant to create faraday cages. >>> >>> Poorly manufactured or designed power supplies. Emissions from the phased arrays themselves that may have poor grounding or lack conformal coatings due to cost reductions. >>> >>> Lots of options to cause it. Bummer for the radio astronomers - that will be tough to work around for the foreseeable future. >>> >>> Bill - KI6IRZ >>> >>>> On Sep 19, 2024, at 6:59 PM, Doug Person via AMSAT-BB <amsat-bb(a)amsat.org> wrote: >>> >>>> >>>> >>>> Sounds really bad. >>>> >>>> Doug -- K0DXV >>>> >>>> On 9/19/2024 6:15 PM, Jon via AMSAT-BB wrote: >>>> >>>>> Any idea how such broadband emissions come from a satellite? >>>>> >>>>> 73 >>>>> >>>>> Jon, VU2JO >>>>> >>>>> On Fri, Sep 20, 2024 at 1:49 AM Joe Fitzgerald via AMSAT-BB <amsat-bb(a)amsat.org> wrote: >>>>> >>>>>> While newer Starlink spacecraft have been modified to be less bright at >>>>>> visible wavelengths, the new generation is very bright in the RF >>>>>> wavelengths. See this article just published: >>>>>> >>>>>> https://www.aanda.org/articles/aa/full_html/2024/09/aa51856-24/aa51856-24.h… >>>>>> >>>>>> de KM1P >>>>>> >>>>>> ----------------------------------------------------------- >>>>>> >>>>>> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >>>>>> to all interested persons worldwide without requiring membership. Opinions expressed >>>>>> are solely those of the author, and do not reflect the official views of AMSAT-NA. >>>>>> Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ >>>>>> >>>>>> View archives of this mailing list at >>>>>> https://mailman.amsat.org/hyperkitty/list/[email protected] >>>>>> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >>>>>> Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org >>>>> >>>>> ----------------------------------------------------------- >>>>> >>>>> Sent via AMSAT-BB(a) >>>>> amsat.org >>>>> . AMSAT-NA makes this open forum available >>>>> to all interested persons worldwide without requiring membership. Opinions expressed >>>>> are solely those of the author, and do not reflect the official views of AMSAT-NA. >>>>> Acceptable Use and Privacy Policies available at >>>>> https://www.amsat.org/about-amsat/ >>>>> View archives of this mailing list at >>>>> https://mailman.amsat.org/hyperkitty/list/[email protected] >>>>> To unsubscribe send an email to amsat-bb-leave(a) >>>>> amsat.org >>>>> Manage all of your AMSAT-NA mailing list preferences at >>>>> https://mailman.amsat.org >>>> >>>> ----------------------------------------------------------- >>>> >>>> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >>>> to all interested persons worldwide without requiring membership. Opinions expressed >>>> are solely those of the author, and do not reflect the official views of AMSAT-NA. >>>> Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ >>>> >>>> View archives of this mailing list at >>>> https://mailman.amsat.org/hyperkitty/list/[email protected] >>>> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >>>> Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org >>> >>> ----------------------------------------------------------- >>> >>> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >>> to all interested persons worldwide without requiring membership. Opinions expressed >>> are solely those of the author, and do not reflect the official views of AMSAT-NA. >>> Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ >>> >>> View archives of this mailing list at >>> https://mailman.amsat.org/hyperkitty/list/[email protected] >>> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >>> Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org >> >> ----------------------------------------------------------- >> >> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >> to all interested persons worldwide without requiring membership. Opinions expressed >> are solely those of the author, and do not reflect the official views of AMSAT-NA. >> Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ >> >> View archives of this mailing list at >> https://mailman.amsat.org/hyperkitty/list/[email protected] >> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >> Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org

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MESAT1 linear transponder is ON 0050utc 20 Sept 2024
by Mark L. Hammond 20 Sep '24

20 Sep '24

Hello Amsat folks, Yesterday evening we enabled the transponder on MESAT1. Give it a try! Signals have been looking good. 73! Mark L. Hammond [N8MH] AMSAT Director and Command Station

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Re: Newer Starlink satellites are very "bright" at RF vexing radio astronomers
by Bernd Peters 19 Sep '24

19 Sep '24

Those satellites are built by a for-profit organization. They want to make money by providing internet services, they don't care about science or scientific research. 73, Bernd - KB7AK On Thu, Sep 19, 2024 at 8:58 PM Jon via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > Then that is potentially rectifiable. > Hope future satellites will be better off so that Radio Astronomy does not > suffer. > > 73 > > VU2JO > > On Fri, Sep 20, 2024 at 8:17 AM Wdwhalen via AMSAT-BB <amsat-bb(a)amsat.org> > wrote: > >> Just some ideas based on time in the industry building satellites would >> be poor quality enclosures on the satellite, lack of filter pins on >> external cables, general poor workmanship or tolerances on electrical unit >> boxes meant to create faraday cages. >> >> Poorly manufactured or designed power supplies. Emissions from the phased >> arrays themselves that may have poor grounding or lack conformal coatings >> due to cost reductions. >> >> Lots of options to cause it. Bummer for the radio astronomers - that will >> be tough to work around for the foreseeable future. >> >> Bill - KI6IRZ >> >> On Sep 19, 2024, at 6:59 PM, Doug Person via AMSAT-BB <amsat-bb(a)amsat.org> >> wrote: >> >> >> >> Sounds really bad. >> >> Doug -- K0DXV >> On 9/19/2024 6:15 PM, Jon via AMSAT-BB wrote: >> >> Any idea how such broadband emissions come from a satellite? >> >> 73 >> >> Jon, VU2JO >> >> On Fri, Sep 20, 2024 at 1:49 AM Joe Fitzgerald via AMSAT-BB < >> amsat-bb(a)amsat.org> wrote: >> >>> While newer Starlink spacecraft have been modified to be less bright at >>> visible wavelengths, the new generation is very bright in the RF >>> wavelengths. See this article just published: >>> >>> >>> >>> https://www.aanda.org/articles/aa/full_html/2024/09/aa51856-24/aa51856-24.h… >>> >>> >>> de KM1P >>> >>> >>> >>> ----------------------------------------------------------- >>> >>> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >>> to all interested persons worldwide without requiring membership. >>> Opinions expressed >>> are solely those of the author, and do not reflect the official views of >>> AMSAT-NA. >>> Acceptable Use and Privacy Policies available at >>> https://www.amsat.org/about-amsat/ >>> >>> View archives of this mailing list at >>> https://mailman.amsat.org/hyperkitty/list/[email protected] >>> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >>> Manage all of your AMSAT-NA mailing list preferences at >>> https://mailman.amsat.org >> >> >> ----------------------------------------------------------- >> >> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >> to all interested persons worldwide without requiring membership. Opinions expressed >> are solely those of the author, and do not reflect the official views of AMSAT-NA. >> Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ >> >> View archives of this mailing list athttps://mailman.amsat.org/hyperkitty/list/[email protected] >> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >> Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org >> >> >> ----------------------------------------------------------- >> >> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >> to all interested persons worldwide without requiring membership. >> Opinions expressed >> are solely those of the author, and do not reflect the official views of >> AMSAT-NA. >> Acceptable Use and Privacy Policies available at >> https://www.amsat.org/about-amsat/ >> >> View archives of this mailing list at >> https://mailman.amsat.org/hyperkitty/list/[email protected] >> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >> Manage all of your AMSAT-NA mailing list preferences at >> https://mailman.amsat.org >> >> >> ----------------------------------------------------------- >> >> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >> to all interested persons worldwide without requiring membership. >> Opinions expressed >> are solely those of the author, and do not reflect the official views of >> AMSAT-NA. >> Acceptable Use and Privacy Policies available at >> https://www.amsat.org/about-amsat/ >> >> View archives of this mailing list at >> https://mailman.amsat.org/hyperkitty/list/[email protected] >> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >> Manage all of your AMSAT-NA mailing list preferences at >> https://mailman.amsat.org > > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org

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Re: Newer Starlink satellites are very "bright" at RF vexing radio astronomers
by Jon 19 Sep '24

19 Sep '24

Then that is potentially rectifiable. Hope future satellites will be better off so that Radio Astronomy does not suffer. 73 VU2JO On Fri, Sep 20, 2024 at 8:17 AM Wdwhalen via AMSAT-BB <amsat-bb(a)amsat.org> wrote: > Just some ideas based on time in the industry building satellites would be > poor quality enclosures on the satellite, lack of filter pins on external > cables, general poor workmanship or tolerances on electrical unit boxes > meant to create faraday cages. > > Poorly manufactured or designed power supplies. Emissions from the phased > arrays themselves that may have poor grounding or lack conformal coatings > due to cost reductions. > > Lots of options to cause it. Bummer for the radio astronomers - that will > be tough to work around for the foreseeable future. > > Bill - KI6IRZ > > On Sep 19, 2024, at 6:59 PM, Doug Person via AMSAT-BB <amsat-bb(a)amsat.org> > wrote: > > > > Sounds really bad. > > Doug -- K0DXV > On 9/19/2024 6:15 PM, Jon via AMSAT-BB wrote: > > Any idea how such broadband emissions come from a satellite? > > 73 > > Jon, VU2JO > > On Fri, Sep 20, 2024 at 1:49 AM Joe Fitzgerald via AMSAT-BB < > amsat-bb(a)amsat.org> wrote: > >> While newer Starlink spacecraft have been modified to be less bright at >> visible wavelengths, the new generation is very bright in the RF >> wavelengths. See this article just published: >> >> >> >> https://www.aanda.org/articles/aa/full_html/2024/09/aa51856-24/aa51856-24.h… >> >> >> de KM1P >> >> >> >> ----------------------------------------------------------- >> >> Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available >> to all interested persons worldwide without requiring membership. >> Opinions expressed >> are solely those of the author, and do not reflect the official views of >> AMSAT-NA. >> Acceptable Use and Privacy Policies available at >> https://www.amsat.org/about-amsat/ >> >> View archives of this mailing list at >> https://mailman.amsat.org/hyperkitty/list/[email protected] >> To unsubscribe send an email to amsat-bb-leave(a)amsat.org >> Manage all of your AMSAT-NA mailing list preferences at >> https://mailman.amsat.org > > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions expressed > are solely those of the author, and do not reflect the official views of AMSAT-NA. > Acceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/ > > View archives of this mailing list athttps://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org > > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org > > > ----------------------------------------------------------- > > Sent via AMSAT-BB(a)amsat.org. AMSAT-NA makes this open forum available > to all interested persons worldwide without requiring membership. Opinions > expressed > are solely those of the author, and do not reflect the official views of > AMSAT-NA. > Acceptable Use and Privacy Policies available at > https://www.amsat.org/about-amsat/ > > View archives of this mailing list at > https://mailman.amsat.org/hyperkitty/list/[email protected] > To unsubscribe send an email to amsat-bb-leave(a)amsat.org > Manage all of your AMSAT-NA mailing list preferences at > https://mailman.amsat.org

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Re: Newer Starlink satellites are very "bright" at RF vexing radio astronomers
by Wdwhalen 19 Sep '24

19 Sep '24

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