[amsat-bb] I'm dreaming of a Medium Earth Orbit.......

[Jim Jerzycke]

Launches to GTO currently run form 90 million to about 120 million, 
depending on the launch provider.

73, Jim  KQ6EA


On 12/22/2014 08:42 PM, M5AKA wrote:
> O3B had to buy the capacity of two GTO capable rockets to get to their custom orbit of 8,000 km, don't know what that costs these days but I don't reckon you'll get much change out $100 million.
> The cheaper approach might to go to a 600 km orbit and use an onboard electrical propulsion system to steadily increase the apogee over 2 or 3 years - but unfortunately no-one has achieved that yet.
>
> But yes 8,000 km would be a great orbit for amateur satellites and if it used the 29 and 50 MHz bands you'd hardly notice the Doppler.
>
> 73 Trevor M5AKA
>
>   
>
>
>       On Monday, 22 December 2014, 20:02, Jerry Buxton <amsat at n0jy.org> wrote:
>     
>
>   Could anyone get pricing for this, please?
>
> Jerry Buxton, NØJY
>
> On 12/22/2014 08:37, David G0MRF wrote:
>> Hi
>>
>> Did anyone see the Soyuz launch from Arianespace a few days ago and think how nice it would be to have an amateur radio satellite somewhere above LEO ?
>>
>> Interestingly, the launch of 3 communication satellites providing internet services to remote areas, was to an altitude around 8000km. - An unusual destination.
>> Apparently the 'latency' or time delay on signals from 36,000km is too high for an internet service, whereas the number of satellites needed for a constellation at LEO is too many.
>>
>> The company O3B  (Other 3 Billion) decided that MEO at 8000km which is between the 2 Van Allen belts answered their needs.
>>
>>
>> http://spaceflightnow.com/2014/12/18/soyuzo3b-launch-timeline/
>>
>> For the launch, the satellites were mounted on a cylindrical  launch adaptor, (see pics in link) the inner part of which looks an ideal place for a 3U cubesat secondary payload.
>>
>> Wouldn't it be nice to get something up to that altitude with Omni antennas, or a gravity gradient boom with a simple beam and about 4 Watts output !
>> A leisurely 5 orbits a day with Paris to California routine......... http://g0mrf.com/MEOSAT.htm
>>
>> Oh well, back to dreaming of a white Christmas
>>
>> Seasons greetings
>>
>> David  G0MRF
>>
>>
>>
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> _______________________________________________
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>     
> _______________________________________________
> Sent via AMSAT-BB at 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.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb