[amsat-bb] SRMSAT Keps and Down Link Details

[Dinesh Cyanam]

SRMSAT, A cubesat developed by the students of SRM University, India will be launched on October 12th, 2011 along with the Megha Tropique satellite on the PSLV-C18 launch vehicle from ISRO's spaceport in Sriharikota, India. 

Payload Details: 
SRMSAT will monitor the green house gases in near infrared region (900nm - 1700nm).  

Launch Date and Time: 
October 12, 2011 
0530 hrs UTC

Telemetry down link and CW beacon on the same frequency: 437.425 MHz (10 dbm)
(Telemetry decoding info will be posted soon)

Preliminary TLEs from ISTRAC (ISRO Telemetry, Tracking and Command Network): 
SRM 
1 99999U 11072A 11278.34967500 .00001077 00000-0 60876-3 0 1233 
2 99999 20.0603 97.4017 0010015 338.6461 208.4324 14.09199968 14 

Website: http://srmsat.in

All Radio Amateurs are requested to track SRMSAT and provide us with the reception reports via AMSAT-BB mailing list or via email to KC2YQJ <at> arrl.net                     

73
KC2YQJ
Dinesh Cyanam


Quoting, amsat-bb-request at amsat.org:

> SB SAT @ AMSAT $ANS-282.06
> India CubeSats For Launch on October 12
> 
> AMSAT News Service Bulletin 282.06
>  From AMSAT HQ SILVER SPRING, MD.
> October 9, 2011
> To All RADIO AMATEURS
> BID: $ANS-282.06
> 
> India CubeSats For Launch on October 12
> 
> Two university cubesats JUGNU and SRMSAT are ready for launch from
> ISRO's spaceport, Sriharikota, India on October 12.
> 
> JUGNU was developed by a team of students and faculty at IIT Kanpur
> and ISRO scientists to launch India's first Nano Satellite. The
> satellite's mission includes:
> 
> 1. Micro Imaging System
> 2. GPS receiver for locating the position of satellite in the orbit
> 3. MEMS based IMU (Inertial Measurement Unit)
> 
> Jugnu Frequencies:
> CW Beacon - 437.275 (17dbm)
> Pay load  - 437.505
> 
> At press time no further information was available for SRMSAT other
> than its payload down link and CW Beacon will transmit on 437.425 MHz
> (10dbm)
> 
> [ANS thanks Dinesh Cyanam, KC2YQJ; Sanjay Srikanth Nekkanti, AB3OE
> and Mani, VU2WMY for the above information]
> 
> /EX
> 
> SB SAT @ AMSAT $ANS-282.07
> ARISS Status - 3 October 2011
> 
> AMSAT News Service Bulletin 282.07
>  From AMSAT HQ SILVER SPRING, MD.
> October 9, 2011
> To All RADIO AMATEURS
> BID: $ANS-282.07
> 
> 
> 1.	 School Contacts
> 
> S. K. Sri Hartamas, Kuala Lumpur, Malaysia scheduled for an Amateur
> Radio on
> the International Space Station (ARISS) contact on Monday, October 3 at
> 14:46
> UTC. Was successful. The school has been invited by the National Space
> Agency
> Satellite Ground Station (call sign 9M2RPN) to participate in the „Prime
> Minister‚s
> National Space Challenge Trophy 2011,‰ which has been an annual event
> since
> 2007, when Malaysian space participant, Dr. Sheikh Muszaphar Shukor,
> flew to
> the ISS. The National Space Challenge involves a large number of
> students and
> encourages them to learn about space. The event receives extensive media
> coverage from newspapers, radio and television.
> 
> George Observatory, Needville, Texas scheduled for an Amateur Radio on
> the
> International Space Station (ARISS) contact on Saturday, October 8 at
> 16:50 UTC
> via telebridge station WH6PN in Hawaii has been completed. Astronomy
> Day is
> put on each year by all the Astronomy clubs in the greater Houston area
> in
> conjunction with the Houston Museum of Natural Science. The event is
> held at
> the George Observatory in Brazos Bend State Park and draws 4000
> attendees
> each year. The ARRL (American Radio Relay League) education and
> technology
> program will be used to prepare youth for the contact. A NASA booth
> will be
> set up and amateur astronomers and amateur radio operators will be
> available
> to discuss the ISS, space travel and forms of communication.
> 
> 2.	Lompoc High School Students Experience ARISS Contact
> 
> On Thursday, September 29, students attending Lompoc High School in
> Lompoc,
> California connected with on-orbit astronaut Mike Fossum, KF5AQG via an
> Amateur Radio on the International Space Station (ARISS) contact. Fossum
> fielded
> over ten questions before the ISS went over the horizon. Students who
> participated
> in the contact are involved in Lompoc's STaRS (Space, Technology and
> Robotics
> Systems) Academy.  The event highlighted students‚ studies covering
> space
> flight, the space environment, orbital motion, ground tracking, life
> support
> systems and rockets.  The Santa Maria Times posted an article about the
> experience:
> http://santamariatimes.com/news/local/education/talking-to-an-
> astronaut-in-space/article_b85f7212-eb40-11e0-a23f-001cc4c002e0.html
> 
> 3.	NASA Shares Kiroli Contact Audio
> 
> Kiroli Elementary School students from West Monroe, Louisiana took part
> in an ARISS contact with Satoshi Furukawa, KE5DAW on the International
> Space Station on September 22. This was the first ARISS contact for
> Louisianans. On Wednesday, September 28, NASA tweeted a link to the
> contact audio and also provided a link to audio on its Web site. http://
> ia700705.us.archive.org/33/items/Expedition29/09-22-11_EXP29_HAM-
> Radio-Pass.mp3
> 
> 4.	Premier of Nunavut, Canada Promotes ARISS
> 
> Eva Aariak, the Premier of the Territory of Nunavut, Canada, and
> Minister
> of Education, gave a talk about the importance of education, especially
> in the fields of Science, Technology, Engineering and Mathematics (STEM)
> 
> and how the Amateur Radio on the International Space Station (ARISS)
> program makes learning interesting. See: http://www.youtube.com/
> watch?v=0jSroPPcXtM
> 
> 5.	Astronaut Training Status
> 
> ESA Astronaut Samantha Cristoforetti has been assigned callsign IZ0UDF.
> Cristoforetti was selected as an ESA astronaut in May 2009.
> 
> 6.	ARRL QST on ARISS
> 
> The American Radio Relay League (ARRL) October QST had several items
> related to ARISS, as follows:
> 
> The "In Brief" column made mention of the deployment of ARISSat-1 from
> the ISS on August 3.
> 
> Then the "Happenings" column carried a 3/4-page article covering the
> deployment in depth -- the article was titled, "Cosmonauts Deploy
> ARISSat-1 from ISS".
> 
> The "Media Hits" column featured the many hits that the ARISSat team g
> ot, including national-level PR such as the UPI, International Business
> Times, EETimes, NASA.gov, and Space.
> 
> The same column also made mention of an article in the Press &
> Sun-Bulletin
> of Vestal, NY that highlighted Kopernik Observatory's summer science
> Pegasus
> program for kids.  (Kopernik sponsored the Windsor Central District
> schools'
> ARISS contact.) The article talked about Kopernik hams who helped kids
> make contact with ham satellites using the observatory's ham station.
> 
> 7.	ARRL Articles on ARISSat
> 
> The American Radio Relay League (ARRL) posted two articles on ARISSat in
> its
> September 29 issue of the ARRL Letter. The first piece covers the survey
> about
> ARISSat operations. The second item is about the Chicken Little Contest
> which
> is being held to guess when ARISSat-1 will re-enter Earth‚s atmosphere.
> Those
> who wish to participate may enter one of three categories: students in
> grades
> K-8, students in grades 9-12 and adults.  Submissions will be accepted
> until
> October 15, 2011 at 23:59:00 (UTC).
> See: http://www.arrl.org/arrlletter?issue=2011-09-29
> 
> 8.	AMSAT Italia Presents Plaques to Expedition 26/27 Crew Members
> 
> During the post-flight tour of the MagISStra mission, AMSAT Italia
> presented
> plaques to ESA astronaut Paolo Nespoli and NASA astronaut Cady Coleman.
> The inscriptions read:
> 
> "in appreciation for the dedication so generously given by Catherine G.
> Coleman, KC5ZTH to scientific education and science dissemination"
> ESRIN - Frascati, 22 September 2011‰
> 
> "in apprezzamento dell'impegno profuso dal Socio d'Onore Paolo Nespoli,
> IZØJPA a sostegno dell'educazione e della divulgazione scientifica"
> ESRIN -
> Frascati, 22 Settembre 2011‰
> 
> For photos, see:
> http://www.flickr.com/photos/63976489@N07/sets/72157627756635934/
> 
> 9.	EE Times - ARISSat Blog
> 
> New entries have been made to the EE (Electronic Engineering) Times
> „Chips in Space‰ blog about amateur radio satellite ARISSat-1. The
> second
> part of „Lessons Learned‰ may be found at this link:
> http://www.eetimes.com/
> electronics-blogs/chips-in-space/4228027/Chips-in-Space--Lessons-
> learned--Part-2-
> 
> Current results from the survey held about ARISSat-1 operations may be
> viewed here (the survey remains open):
> http://www.eetimes.com/electronics-blogs/other/4228654/Chips-in-Space--
> Survey-Says-
> 
> 10.	Amateur Radio Newsline on ARISS
> 
> The Amateur Radio Newsline Report 1781, posted on September 30, included
> 
> a story on Jamboree on the Air (JOTA) 2011 which will be held over the
> October 15 ˆ 16 weekend. The item mentions that ISS Astronaut Mike
> Fossum,
> KF5AQG is a scoutmaster and may be on the air over the weekend, if time
> allows.  „Ham Radio and Scouting:  JOTA 2011 - October 15 ˆ 16,‰ may be
> viewed at:
> ftp://ftp.arnewsline.org/quincy/News/news.txt
> 
> [ANS thanks Carol, KB3LKI, for the above information]
> 
> /EX
> 
> 
> In addition to regular membership, AMSAT offers membership in the
> President's
> Club. Members of the President's Club, as sustaining donors to AMSAT
> Project
> Funds, will be eligible to receive additional benefits. Application
> forms are
> available from the AMSAT Office.
> Sign up for the Symposium and get your reservations in ASAP to take
> advantage
> Of the early discounts offered.
> 
> 73,
> This week's ANS Editor,
> Dee Interdonato, NB2F
> Nb2f at amsat dot org
> 
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 8
> Date: Sun, 09 Oct 2011 11:39:04 -0400
> From: "Mark L. Hammond" <marklhammond at gmail.com>
> To: pe0sat at vgnet.nl, amsat-bb at amsat.org
> Subject: [amsat-bb] Re: ARISSat-1 over  Europe
> Message-ID: <iff51h0054ltuWb05ff5HB at gmail.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> Hello Jan,
> 
> Yes, the battery is dead.  There are no transmissions when the satellite is in eclipse.  Also, after ARISSat-1 re-enters sunlight, there is a 15 minute delay from a built in timer before transmissions begin.
> 
> Here in the US, we don't currently have any useable windows!  It's either in eclipse, or too close to it for the transmitter to come on overhead.
> 
> The orbit will precess in the next couple of weeks and we'll again have some useable time.
> 
> 73,
> 
> Mark N8MH 
> 
> At 04:22 PM 10/9/2011 +0200, PE0SAT wrote:
> 
> 
> 
>> Are there stations in Europe that receive ARISSat-1 telemetry or other
>> data? I tryed last week and yesterday evening but nothing was received.
>> 
>> Are the batteries completly drained and therefor no activity when the
>> Sat is in the dark :-)
>> 
>> 
>> 73 Jan PE0SAT
>> 
>> _______________________________________________
>> Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
> 
> 
> 
> ------------------------------
> 
> Message: 9
> Date: Sun, 9 Oct 2011 09:22:43 -0400
> From: Zac Manchester <fleet at kicksat.org>
> To: amsat-bb at amsat.org
> Subject: [amsat-bb] KickSat - a personal spacecraft of your own in
> 	space
> Message-ID:
> 	<CAKkXDTVprkw8mr1fdfVQORAVzjvymMdpdEthpTNECKPYDVf5Ag at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hello,
> 
> I'm launching a project in my spare time that some AMSAT members might
> be interested in.  I'm a graduate student in Aerospace Engineering at
> Cornell, and I've been working on a ChipSat/Femtosatellite called
> Sprite for the last several years.  I want to launch a CubeSat full of
> Sprites into low Earth orbit to demonstrate their viability in space.
> I'm raising money to build the hardware via the Kickstarter website
> (kicksat.org).  Donors who sponsor a sprite will get to name it and
> specify the text that it will transmit.  A group or club can also
> sponsor a fleet of Sprites together.
> 
> I'm doing this to try to get more people involved in spaceflight.  I
> want to make it easy enough and cheap enough so that anyone can take
> part.
> 
> Please check out my page on Kickstarter for more information - kicksat.org
> 
> Thanks,
> Zac Manchester
> 
> 
> ------------------------------
> 
> Message: 10
> Date: Sun, 09 Oct 2011 17:50:48 +0100
> From: Clive Wallis <list1 at g3cwv.co.uk>
> To: amsat <amsat-bb at amsat.org>
> Subject: [amsat-bb] Re: G5500 Elevation Rotator Short Circuit?
> Message-ID: <4E91D0E8.2030702 at g3cwv.co.uk>
> Content-Type: text/plain; charset=windows-1252; format=flowed
> 
> Many thanks Tim for your comments.  From what you've said it sounds like 
> a faulty motor.  In the ones you've repaired have you been able to 
> determine the cause of motor over heating?
> 
> The problems I've had in the past have always been due to water getting 
> into the units.
> 
> 73    Clive    G3CWV
> 
> Hitchin, North Hertfordshire, UK
> 
> On 07/10/2011 18:50, Tim Cunningham wrote:
>> The common failure of the motor windings is caused by heat which
>> causes the enamel coated wire to breakdown. When the enamel breaks
>> down an inner winding short results.
>> 
>> I have successfully rewound motor windings on these rotators just to
>> say it could be done, but it takes some work (not recommended).
>> 
>> I have never seen one of these motors with an open winding. The
>> failure mode on the 8 that I have repaired were always enamel
>> insulation breakdown as a result of overheating.
>> 
>> 
>> Tim - N8DEU
>> 
>> 
>> Sent from my HTC Tilt? 2, a Windows? Mobile phone
>> 
>> -----Original Message----- From: Clive Wallis<amsat-bb at g3cwv.co.uk>
>> Sent: Friday, October 07, 2011 11:35 AM To:
>> amsat<amsat-bb at amsat.org> Subject: [amsat-bb] G5500 Elevation Rotator
>> Short Circuit?
>> 
>> I wonder if this is a known fault.  Recently the fuse on my G5500
>> blew.   The problem seems to be a short on one of the motor
>> circuits.
>> 
>> Checking the DC resistance at the control end, the resistance of one
>> winding is 1.2 ohms, whereas all the other windings are 4.6 ohms.
>> 
>> I could understand a motor burning out and going open circuit,  but
>> a short circuit seems less likely.  I'm wondering if it could be a
>> short on the cable at the rotator end, where it is subject to much
>> bending. There's about 15 metres of cable.
>> 
>> Any thoughts would be much appreciated.  Unfortunately, at the
>> present time I'm not able to inspect the rotator.  It's stuck in the
>> horizontal position, so I will still be able to use the antenna for
>> low elevation passes.
>> 
>> 73     Clive     G3CWV
>> 
>> Hitchin, North Hertfordshire, UK
>> _______________________________________________ Sent via
>> AMSAT-BB at amsat.org. Opinions expressed are those of the author. Not
>> an AMSAT-NA member? Join now to support the amateur satellite
>> program! Subscription settings:
>> http://amsat.org/mailman/listinfo/amsat-bb
>> 
>> 
>> _______________________________________________ Sent via
>> AMSAT-BB at amsat.org. Opinions expressed are those of the author. Not
>> an AMSAT-NA member? Join now to support the amateur satellite
>> program! Subscription settings:
>> http://amsat.org/mailman/listinfo/amsat-bb
>> 
> 
> 
> 
> ------------------------------
> 
> Message: 11
> Date: Sun, 09 Oct 2011 10:38:41 -0700
> From: Bill Ress <bill at hsmicrowave.com>
> To: amsat-bb at amsat.org
> Subject: [amsat-bb] Re: KickSat - a personal spacecraft of your own in
> 	space
> Message-ID: <4E91DC21.70205 at hsmicrowave.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> Interesting idea Zac, but I have a few questions.
> 
> Will each Sprite have it's own frequency?
> 
> Since these Sprites are operating in the Amateur satellite bands, how 
> will you license them?
> 
> How will you handle the frequency coordination of these transmitters?
> 
> Regards...Bill - N6GHz
> 
> 
> 
> On 10/9/2011 6:22 AM, Zac Manchester wrote:
>> Hello,
>> 
>> I'm launching a project in my spare time that some AMSAT members might
>> be interested in.  I'm a graduate student in Aerospace Engineering at
>> Cornell, and I've been working on a ChipSat/Femtosatellite called
>> Sprite for the last several years.  I want to launch a CubeSat full of
>> Sprites into low Earth orbit to demonstrate their viability in space.
>> I'm raising money to build the hardware via the Kickstarter website
>> (kicksat.org).  Donors who sponsor a sprite will get to name it and
>> specify the text that it will transmit.  A group or club can also
>> sponsor a fleet of Sprites together.
>> 
>> I'm doing this to try to get more people involved in spaceflight.  I
>> want to make it easy enough and cheap enough so that anyone can take
>> part.
>> 
>> Please check out my page on Kickstarter for more information - kicksat.org
>> 
>> Thanks,
>> Zac Manchester
>> _______________________________________________
>> Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>> 
> 
> 
> ------------------------------
> 
> _______________________________________________
> Sent via amsat-bb at amsat.org. Opinions expressed are those of the author.
> Not an AMSAT member? Join now to support the amateur satellite program!
> http://amsat.org/mailman/listinfo/amsat-bb
> 
> 
> End of AMSAT-BB Digest, Vol 6, Issue 558
> ****************************************