[amsat-bb] DOSAAF-85 transponder activation

Fri May 1 18:43:15 UTC 2020

I made 11 QSOs on the 1627z pass over North America. Sounded fine.

Sent from the iPhone of Sean, KX9X

> On May 1, 2020, at 1:34 PM, Jean Marc Momple via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
> 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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>> _______________________________________________
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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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