[amsat-bb] Pratham: IITB Student Satellite

Mon Oct 17 13:28:00 UTC 2016

North pass near to Finland, from russia to greenland; No signal.

I will try next pass what comes almost directly over me. I will send a
message of results.

: Jari / OH2FQV

On Mon, Oct 17, 2016 at 1:27 PM, Aayush Yadav <aayushyadav825 at gmail.com>
wrote:

> Hello everyone,
> Hope you all are doing good. When we were tracking Pratham today, we heard
> a faint signal. The signal might have been weak possible because of the low
> elevation of the pass. So we have a hope that the satellite might be active
> again. Will it be possible for you to try tracking Pratham today?
> Thanks,
> Team Pratham
>
>
> On Thu, Oct 6, 2016 at 8:36 PM, Scott <scott23192 at gmail.com> wrote:
>
> > I had good elevation this morning (65°) at 14:52 UTC on the East Coast of
> > the US but unfortunately nothing was heard on 145.980.
> >
> > -Scott,  K4KDR
> >
> >
> >
> > ====================
> >
> > On Wed, Oct 5, 2016 at 12:01 PM, Aayush Yadav <aayushyadav825 at gmail.com>
> > wrote:
> >
> > > Hello all,
> > >
> > > Pratham has been identified as object 41783, 2016-059A. However we have
> > not
> > > been able to track the satellite with these TLE's. If you could please
> > > track the satellite with these TLE's and confirm with us it would be
> > really
> > > appreciable. Thank you.
> > >
> > > Kind regards.
> > > Team Pratham!
> > >
> > > On Sunday 25 September 2016, 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
> > > > <javascript:_e(%7B%7D,'cvml','rachna.agrawal.04 at gmail.com');>; and
> > > Aayush
> > > > Yadav, aayushyadav825 at gmail.com
> > > > <javascript:_e(%7B%7D,'cvml','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
> > > > <javascript:_e(%7B%7D,'cvml','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
> > > >> <javascript:_e(%7B%7D,'cvml','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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> > 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.
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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://www.amsat.org/mailman/listinfo/amsat-bb
>