[amsat-bb] DOSAAF-85 transponder activation

[Graham Shirville]

Oh dear - this also happened with RS25 which was launched on the same 
time as SSETI Express ...https://space.skyrocket.de/doc_sdat/mozhayets-5.htm

RS25 never became active but RS44 is certainly working well!

73

Graham G3VZV


On 01/05/2020 11:39, Nico Janssen via AMSAT-BB wrote:
>
> The failure of RS44/DOSAAF 85 (also known in Russia as "Radio 2017")
> to separate from the Breeze-KM stage also prevented the deployment
> of BLITS M1, an experimental passive laser reflector satellite.
>
> With RS 44 now attached to the Breeze-KM stage, its gravity gradient
> stabilization boom can not be extended, because that is at the side
> where the satellite is attached. But fortunately all radio antennas are
> at the end of the satellite that points away from the stage. Therefore
> the radio equipment of RS 44 is fully operational and works well. The
> CW beacon on 435.604 MHz still only sends its ID "RS44". Maybe later
> some telemetry can be sent as well.
>
> 73,
> Nico PA0DLO
>
> On 30-04-2020 14:06, Nico Janssen via AMSAT-BB wrote:
>>
>> The new amateur payload DOSAAF 85 appears to work very well.
>> Doppler measurements confirm that it is indeed object 44909,
>> 2019-096E. The satellite identifies itself as "RS44" (i.e. Radio
>> Sputnik 44) on its CW beacon on 435.6043 kHz. The passband is
>> about 63 kHz wide. It may also have a downlink between 2400 and
>> 2485 MHz. The frequencies of RS44/DOSAAF 85 have not been IARU
>> coordinated. The satellite is in an elliptical orbit with a perigee of
>> 1175 km, an apogee of 1511 km and an inclination of 82.5 degrees.
>>
>> The payload is apparently attached to the Breeze-KM upper stage of
>> a Rokot launch vehicle that launched three Gonets satellites on
>> December 26, 2019. It was originally expected to launch in 2015.
>> It is based on the Yubileiniy platform.
>>
>> For details, see https://space.skyrocket.de/doc_sdat/dosaaf-85.htm 
>> <https://t.co/CCuN4HN8KI?amp=1>and
>> http://spaceflight101.com/rockot-blasts-off-from-plesetsk-with-military-satellite-payloads/ 
>>
>>
>> 73,
>> Nico PA0DLO
>>
>> On 30-04-2020 10:08, Blinov Igor via AMSAT-BB wrote:
>>> Good day!
>>> Satellite DOSAAF-85 turn on transponder (linear, inverting) on for 
>>> testing purposes.
>>> UPLink 145965KHz +/-30 KHz
>>> DOWNLink 435640KHz +/-30 KHz
>>> BEACON 435605KHz
>>> TLE:
>>> 1 44909U 19096E   20120.96346743 +.00000010 +00000-0 +00000-0 0 9999
>>> 2 44909 082.5239 027.5343 0217449 340.2089 019.0669 12.79706663015985
>>> Try it!
>>> -- 
>>> 73! Igor, RW3XL
>>>
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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: https://www.amsat.org/mailman/listinfo/amsat-bb