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Re: Mode-B vs Mode-J VERSUS Mode-S



I believe it's "uplink only" at 1268/1269 MHz...

73,

Rick
KG6IAL

----- Original Message ----- 
From: "Scott Townley" <nx7u@arrl.net>
To: "Jon Ogden" <na9d@speakeasy.net>
Cc: <amsat-bb@AMSAT.Org>
Sent: Thursday, June 19, 2003 5:52 PM
Subject: Re: [amsat-bb] Mode-B vs Mode-J VERSUS Mode-S


> Jon,
> Don't know the true origin, but it's codified in the FCC rules that the
> amateur/satellite segment at L-band is space-to-earth only.
>
>
> At 17:44 2003-06-19, Jon Ogden wrote:
> >And Fred, correct me if I am wrong, but is 1269 allocated everywhere in
> >the world to hams?  I forget the reason why there's no L band downlink
but
> >I thought it had something to do with allocations in some parts of the
world.
> >
> >I probably have it wrong, but if I don't it would be  a shame to lock out
> >part of the world's hams with just an L band uplink.
> >
> >73,
> >
> >Jon
> >NA9D
> >
> >On Thursday, Jun 19, 2003, at 10:06 America/Chicago, Frederick M. Spinner
> >wrote:
> >
> >>Technically its a good idea, but I still think most of the AO-40 users
do
> >>not have 1269 MHz uplink equipment.  So this idea, while technically
> >>good, does place a burden on many in the group.
> >-------------------------------------
> >Jon Ogden
> >NA9D (ex: KE9NA)
> >
> >Citizen of the People's Democratic Republik of Illinois
> >
> >Life Member: ARRL, NRA
> >Member:  AMSAT, DXCC
> >
> >Ham Radio Webpage: http://www.qsl.net/na9d   <- Updated on 1/12/03!!!
> >Digital Photography Page: http://homepage.mac.com/jogden/Photography.html
> >
> >"Man's mind, once stretched by a new idea, never regains its original
> >dimensions."
> >
> >                 - Oliver Wendell Holmes, Jr.
> >
> >----
> >Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
> >Not an AMSAT member? Join now to support the amateur satellite program!
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>
> Scott Townley NX7U
> Gilbert, AZ  DM43di
> http://members.cox.net/nx7u
>
> ----
> Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
> Not an AMSAT member? Join now to support the amateur satellite program!
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
>
----
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