Right, sorry. The question was mode L but my brain read mode S... Greg KO6TH
Sent from my trusty HP iPAQ. -----Original Message----- From: "i8cvs" <domenico.i8...@tin.it> To: "Greg D" <ko6th.g...@gmail.com>; apbid...@mailaps.org Cc: "AMSAT-BB" <amsat-bb@amsat.org> Sent: 11/21/12 6:23 AM Subject: Re: [amsat-bb] Re: Allocations in L-band Hi Greg, KO6TH For the history no OSCAR satellite carried on a Mode-L Beacon. OSCAR-7 carried on a Mode-S beacon on 2304.1 MHz built by the San Bernardino Microwave Society but it was never officially turned on because of international treaty constraints (bandplan) so that it was not receiving the autorization by the FCC 73" de i8CVS Domenico ----- Original Message ----- From: "Greg D" <ko6th.g...@gmail.com> To: <apbid...@mailaps.org> Cc: "AMSAT-BB" <amsat-bb@amsat.org> Sent: Wednesday, November 21, 2012 5:31 AM Subject: [amsat-bb] Re: Allocations in L-band > I believe it was Oscar-7. > > Greg KO6TH > > > Alan wrote: > > Someone years ago told me that one of the early amateur satellites had a > > mode-L beacon, but because the rules changed, it was never turned on. I > > haven't been able to verify or disprove this story. > > > > Alan > > WA4SCA > > > > > > -----Original Message----- > > From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On > > Behalf Of Trevor . > > Sent: Tuesday, November 20, 2012 4:10 AM > > To: amsat-bb@amsat.org > > Subject: [amsat-bb] Re: Allocations in L-band > > > > --- On Mon, 19/11/12, Richard Ferryman<g4...@btinternet.com> wrote: > >> Just curious - Can someone enlighten me as to why there is no allocation > >> for satellite downlinks in L-band (at least in the bandplans I have seen). > >> There are uplinks around 1267 to 1269 MHz. Is it due to possibility of > >> interference with commercial/military/aeronautical systems? > > I believe it dates back to a WARC conference in about 1971. Prior to that > > the Amateur Service had I believe been able to use any Amateur Frequencies > > just as they can still do for that other form of Space Communication - Moon > > Bounce (EME). > > > > Wayne Green W2NSD does make references to the loss of satellite frequencies > > a few times in his column in 73 Magazine from that era, see 73 Mag archive > > at http://archive.org/search.php?query=73%20magazine > > > _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
