[amsat-bb] DOSAAF-85 transponder activation

[Jean Marc Momple]

Dear All,

Confirmed Graham working well.

Made a quick QSO on RS-44 with my good friend Kob (E21EJC) which I contacted on a few birds in the past, really nice.

Also Rx 3B8FA on same bird, seems working fine so far.

73


Jean Marc (3B8DU0

> On May 1, 2020, at 5:42 PM, Graham Shirville via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
> 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
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>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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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