[amsat-bb] Pratham: IITB Student Satellite

[Aayush Yadav]

Hello all,
 Following are the updated TLE's for Pratham, please note the identifiers
of the satellite are not yet given to us and thus we are using 9's to
represent these.

1 99999U 16005A   16270.24771944  .00000309  00000-0  60459-4 0  1230

2 99999  98.2054 327.7996 0032663 268.5424   8.4450 14.62664773    17



On Sun, Sep 25, 2016 at 4:21 AM, Aayush Yadav <aayushyadav825 at gmail.com>
wrote:

> Hello Sir,
>
> We would like to post about the launch and telemetry details on the amsat
> India group. I have applied for membership but it has not been approved
> yet. Would it be possible for you to post the above mail on the amsat India
> group? Or if my membership gets approved I will be able to post myself.
>
> Thank you,
> Aayush
> Communication sub-system, Pratham
>
> On Sun, Sep 25, 2016 at 4:08 AM, Aayush Yadav <aayushyadav825 at gmail.com>
> wrote:
>
>> Hello all,
>>
>> We are glad to inform you that Pratham, IITB's Student Satellite is
>> expected to launch with the help of PSLV-C35 on 26th September, 2016 at
>> 9:12 AM.
>> ​​
>> The following are the TLE data for the satellite:
>>
>> 16005A      16270.25119097     0.00000311       00000-0     59418-4     0
>>    1232
>> 98.2057    329.0542    0028038    267.7677   9.1998   14.63716875    11
>>
>> Any update in these will be notified at the earliest. We would love you
>> all to be a part of the project and help us in tracking our satellite.
>> There are basically two downlink for the satellite, The beacon is
>> estimated to switch on in the window of 25-30 degrees North and 4-8 degrees
>> East as per the current TLE's. Once switched on, it will remain so through
>> out it's orbit. The telemetry data will be switched on only over France and
>> India because of our power constraints. If you could, please receive the
>> beacon and/or telemetry of the satellite and report back to the mail id's
>> as given below. The information for the satellite transmissions is given
>> below,
>>
>> Beacon:
>> Frequency: 145.98 MHz
>> Modulation: CW
>> Words per minute: 30
>> Power Emitted: 0.2 W (23 dBm)
>>
>> Telemetry:
>> To be switched on only over India and France
>> Modulation: FSK
>> Rate: 1200 bps
>> Power Emitted: 0.06 W (18 dBm)
>>
>> For any other Information you may visit our website
>> <http://www.aero.iitb.ac.in/pratham/>. Also feel free to contact our
>> Communication and Ground station team, (Rachana Agarwal,
>> rachna.agrawal.04 at gmail.com; and Aayush Yadav, aayushyadav825 at gmail.com)
>> for any queries you may have.
>>
>> On Thu, Sep 8, 2016 at 1:44 PM, Aayush Yadav <aayushyadav825 at gmail.com>
>> wrote:
>>
>>> Hello,
>>>
>>> Thank you for your wishes.
>>>
>>> The FSK downlink contains only the health monitoring data of the
>>> satellite and is used for payload calculations. IPGP university in france
>>> requested us for the payload data for their scientific research thus we are
>>> switching on the telemetry only over India and France.
>>>
>>> However the CW beacon will be on through out the orbit and can be
>>> received from anywhere.
>>>
>>> Kind regards,
>>> Team Pratham
>>>
>>>
>>> On Thursday 8 September 2016, Nitin Muttin <vu3tyg at yahoo.co.in> wrote:
>>>
>>>> Hi Team Pratham,
>>>>
>>>> Thanks for the update and will look forward for a successful launch and
>>>> deployment of your satellite. Please share why the FSK downlink on 437.455
>>>> Mhz is activated over France and India.
>>>>
>>>> 73
>>>> Nitin [VU3TYG]
>>>> Secretary, AMSAT INDIA
>>>>
>>>>
>>>> ------------------------------
>>>> *From:* Aayush Yadav <aayushyadav825 at gmail.com>
>>>> *To:* "amsat-bb at amsat.org" <AMSAT-BB at amsat.org>
>>>> *Sent:* Wednesday, 7 September 2016 10:25 PM
>>>> *Subject:* [amsat-bb] Pratham: IITB Student Satellite
>>>>
>>>> Greetings everyone,
>>>>
>>>> We, students of IIT Bombay, are glad to inform you that our project,
>>>> Pratham, is ready and expected to launch with PSLV-C35 in the last week
>>>> of
>>>> September. We would be really happy if  you all joined us in receiving
>>>> our
>>>> satellite's beacon, details given below:
>>>>
>>>> Beacon:
>>>> Mode: CW
>>>> wpm: 35 words
>>>> Frequency: 145.980 MHz
>>>>
>>>> Downlink:
>>>> Mode: FSK
>>>> Baudrate: 1200 bps
>>>> Frequency: 437.455 MHz
>>>> (To be switched on over France and India only)
>>>>
>>>> We will update the information as soon as TLE's will be available.
>>>>
>>>> Kind Regards.
>>>> Team Pratham
>>>> _______________________________________________
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>>>> Opinions expressed
>>>> are solely those of the author, and do not reflect the official views
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>>>>
>>>>
>>>>
>>
>