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Re: 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.
>
>----
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Scott Townley NX7U
Gilbert, AZ  DM43di
http://members.cox.net/nx7u

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