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GET /hyperkitty/api/list/[email protected]/email/EDXFNQWLKAEGDDOAONHPV3MP4JXCUW5C/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/EDXFNQWLKAEGDDOAONHPV3MP4JXCUW5C/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "EDXFNQWLKAEGDDOAONHPV3MP4JXCUW5C", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/EDXFNQWLKAEGDDOAONHPV3MP4JXCUW5C/", "sender": { "address": "dinesh (a) cyanam.net", "mailman_id": "33c4ab9606254a9799348514c09c2443", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/33c4ab9606254a9799348514c09c2443/emails/" }, "sender_name": "Dinesh Cyanam", "subject": "[amsat-bb] SRMSAT Keps and Down Link Details", "date": "2011-10-10T17:43:19Z", "parent": null, "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YGAVNLBTY7XBGXKJNSHWRXASKRW6DBQJ/" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "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. \n\nPayload Details: \nSRMSAT will monitor the green house gases in near infrared region (900nm - 1700nm). \n\nLaunch Date and Time: \nOctober 12, 2011 \n0530 hrs UTC\n\nTelemetry down link and CW beacon on the same frequency: 437.425 MHz (10 dbm)\n(Telemetry decoding info will be posted soon)\n\nPreliminary TLEs from ISTRAC (ISRO Telemetry, Tracking and Command Network): \nSRM \n1 99999U 11072A 11278.34967500 .00001077 00000-0 60876-3 0 1233 \n2 99999 20.0603 97.4017 0010015 338.6461 208.4324 14.09199968 14 \n\nWebsite: http://srmsat.in\n\nAll 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 \n\n73\nKC2YQJ\nDinesh Cyanam\n\n\nQuoting, [email protected]:\n\n> SB SAT @ AMSAT $ANS-282.06\n> India CubeSats For Launch on October 12\n> \n> AMSAT News Service Bulletin 282.06\n> From AMSAT HQ SILVER SPRING, MD.\n> October 9, 2011\n> To All RADIO AMATEURS\n> BID: $ANS-282.06\n> \n> India CubeSats For Launch on October 12\n> \n> Two university cubesats JUGNU and SRMSAT are ready for launch from\n> ISRO's spaceport, Sriharikota, India on October 12.\n> \n> JUGNU was developed by a team of students and faculty at IIT Kanpur\n> and ISRO scientists to launch India's first Nano Satellite. The\n> satellite's mission includes:\n> \n> 1. Micro Imaging System\n> 2. GPS receiver for locating the position of satellite in the orbit\n> 3. MEMS based IMU (Inertial Measurement Unit)\n> \n> Jugnu Frequencies:\n> CW Beacon - 437.275 (17dbm)\n> Pay load - 437.505\n> \n> At press time no further information was available for SRMSAT other\n> than its payload down link and CW Beacon will transmit on 437.425 MHz\n> (10dbm)\n> \n> [ANS thanks Dinesh Cyanam, KC2YQJ; Sanjay Srikanth Nekkanti, AB3OE\n> and Mani, VU2WMY for the above information]\n> \n> /EX\n> \n> SB SAT @ AMSAT $ANS-282.07\n> ARISS Status - 3 October 2011\n> \n> AMSAT News Service Bulletin 282.07\n> From AMSAT HQ SILVER SPRING, MD.\n> October 9, 2011\n> To All RADIO AMATEURS\n> BID: $ANS-282.07\n> \n> \n> 1.\t School Contacts\n> \n> S. K. Sri Hartamas, Kuala Lumpur, Malaysia scheduled for an Amateur\n> Radio on\n> the International Space Station (ARISS) contact on Monday, October 3 at\n> 14:46\n> UTC. Was successful. The school has been invited by the National Space\n> Agency\n> Satellite Ground Station (call sign 9M2RPN) to participate in the „Prime\n> Minister‚s\n> National Space Challenge Trophy 2011,‰ which has been an annual event\n> since\n> 2007, when Malaysian space participant, Dr. Sheikh Muszaphar Shukor,\n> flew to\n> the ISS. The National Space Challenge involves a large number of\n> students and\n> encourages them to learn about space. The event receives extensive media\n> coverage from newspapers, radio and television.\n> \n> George Observatory, Needville, Texas scheduled for an Amateur Radio on\n> the\n> International Space Station (ARISS) contact on Saturday, October 8 at\n> 16:50 UTC\n> via telebridge station WH6PN in Hawaii has been completed. Astronomy\n> Day is\n> put on each year by all the Astronomy clubs in the greater Houston area\n> in\n> conjunction with the Houston Museum of Natural Science. The event is\n> held at\n> the George Observatory in Brazos Bend State Park and draws 4000\n> attendees\n> each year. The ARRL (American Radio Relay League) education and\n> technology\n> program will be used to prepare youth for the contact. A NASA booth\n> will be\n> set up and amateur astronomers and amateur radio operators will be\n> available\n> to discuss the ISS, space travel and forms of communication.\n> \n> 2.\tLompoc High School Students Experience ARISS Contact\n> \n> On Thursday, September 29, students attending Lompoc High School in\n> Lompoc,\n> California connected with on-orbit astronaut Mike Fossum, KF5AQG via an\n> Amateur Radio on the International Space Station (ARISS) contact. Fossum\n> fielded\n> over ten questions before the ISS went over the horizon. Students who\n> participated\n> in the contact are involved in Lompoc's STaRS (Space, Technology and\n> Robotics\n> Systems) Academy. The event highlighted students‚ studies covering\n> space\n> flight, the space environment, orbital motion, ground tracking, life\n> support\n> systems and rockets. The Santa Maria Times posted an article about the\n> experience:\n> http://santamariatimes.com/news/local/education/talking-to-an-\n> astronaut-in-space/article_b85f7212-eb40-11e0-a23f-001cc4c002e0.html\n> \n> 3.\tNASA Shares Kiroli Contact Audio\n> \n> Kiroli Elementary School students from West Monroe, Louisiana took part\n> in an ARISS contact with Satoshi Furukawa, KE5DAW on the International\n> Space Station on September 22. This was the first ARISS contact for\n> Louisianans. On Wednesday, September 28, NASA tweeted a link to the\n> contact audio and also provided a link to audio on its Web site. http://\n> ia700705.us.archive.org/33/items/Expedition29/09-22-11_EXP29_HAM-\n> Radio-Pass.mp3\n> \n> 4.\tPremier of Nunavut, Canada Promotes ARISS\n> \n> Eva Aariak, the Premier of the Territory of Nunavut, Canada, and\n> Minister\n> of Education, gave a talk about the importance of education, especially\n> in the fields of Science, Technology, Engineering and Mathematics (STEM)\n> \n> and how the Amateur Radio on the International Space Station (ARISS)\n> program makes learning interesting. See: http://www.youtube.com/\n> watch?v=0jSroPPcXtM\n> \n> 5.\tAstronaut Training Status\n> \n> ESA Astronaut Samantha Cristoforetti has been assigned callsign IZ0UDF.\n> Cristoforetti was selected as an ESA astronaut in May 2009.\n> \n> 6.\tARRL QST on ARISS\n> \n> The American Radio Relay League (ARRL) October QST had several items\n> related to ARISS, as follows:\n> \n> The \"In Brief\" column made mention of the deployment of ARISSat-1 from\n> the ISS on August 3.\n> \n> Then the \"Happenings\" column carried a 3/4-page article covering the\n> deployment in depth -- the article was titled, \"Cosmonauts Deploy\n> ARISSat-1 from ISS\".\n> \n> The \"Media Hits\" column featured the many hits that the ARISSat team g\n> ot, including national-level PR such as the UPI, International Business\n> Times, EETimes, NASA.gov, and Space.\n> \n> The same column also made mention of an article in the Press &\n> Sun-Bulletin\n> of Vestal, NY that highlighted Kopernik Observatory's summer science\n> Pegasus\n> program for kids. (Kopernik sponsored the Windsor Central District\n> schools'\n> ARISS contact.) The article talked about Kopernik hams who helped kids\n> make contact with ham satellites using the observatory's ham station.\n> \n> 7.\tARRL Articles on ARISSat\n> \n> The American Radio Relay League (ARRL) posted two articles on ARISSat in\n> its\n> September 29 issue of the ARRL Letter. The first piece covers the survey\n> about\n> ARISSat operations. The second item is about the Chicken Little Contest\n> which\n> is being held to guess when ARISSat-1 will re-enter Earth‚s atmosphere.\n> Those\n> who wish to participate may enter one of three categories: students in\n> grades\n> K-8, students in grades 9-12 and adults. Submissions will be accepted\n> until\n> October 15, 2011 at 23:59:00 (UTC).\n> See: http://www.arrl.org/arrlletter?issue=2011-09-29\n> \n> 8.\tAMSAT Italia Presents Plaques to Expedition 26/27 Crew Members\n> \n> During the post-flight tour of the MagISStra mission, AMSAT Italia\n> presented\n> plaques to ESA astronaut Paolo Nespoli and NASA astronaut Cady Coleman.\n> The inscriptions read:\n> \n> \"in appreciation for the dedication so generously given by Catherine G.\n> Coleman, KC5ZTH to scientific education and science dissemination\"\n> ESRIN - Frascati, 22 September 2011‰\n> \n> \"in apprezzamento dell'impegno profuso dal Socio d'Onore Paolo Nespoli,\n> IZØJPA a sostegno dell'educazione e della divulgazione scientifica\"\n> ESRIN -\n> Frascati, 22 Settembre 2011‰\n> \n> For photos, see:\n> http://www.flickr.com/photos/63976489@N07/sets/72157627756635934/\n> \n> 9.\tEE Times - ARISSat Blog\n> \n> New entries have been made to the EE (Electronic Engineering) Times\n> „Chips in Space‰ blog about amateur radio satellite ARISSat-1. The\n> second\n> part of „Lessons Learned‰ may be found at this link:\n> http://www.eetimes.com/\n> electronics-blogs/chips-in-space/4228027/Chips-in-Space--Lessons-\n> learned--Part-2-\n> \n> Current results from the survey held about ARISSat-1 operations may be\n> viewed here (the survey remains open):\n> http://www.eetimes.com/electronics-blogs/other/4228654/Chips-in-Space--\n> Survey-Says-\n> \n> 10.\tAmateur Radio Newsline on ARISS\n> \n> The Amateur Radio Newsline Report 1781, posted on September 30, included\n> \n> a story on Jamboree on the Air (JOTA) 2011 which will be held over the\n> October 15 ˆ 16 weekend. The item mentions that ISS Astronaut Mike\n> Fossum,\n> KF5AQG is a scoutmaster and may be on the air over the weekend, if time\n> allows. „Ham Radio and Scouting: JOTA 2011 - October 15 ˆ 16,‰ may be\n> viewed at:\n> ftp://ftp.arnewsline.org/quincy/News/news.txt\n> \n> [ANS thanks Carol, KB3LKI, for the above information]\n> \n> /EX\n> \n> \n> In addition to regular membership, AMSAT offers membership in the\n> President's\n> Club. Members of the President's Club, as sustaining donors to AMSAT\n> Project\n> Funds, will be eligible to receive additional benefits. Application\n> forms are\n> available from the AMSAT Office.\n> Sign up for the Symposium and get your reservations in ASAP to take\n> advantage\n> Of the early discounts offered.\n> \n> 73,\n> This week's ANS Editor,\n> Dee Interdonato, NB2F\n> Nb2f at amsat dot org\n> \n> \n> \n> \n> \n> \n> ------------------------------\n> \n> Message: 8\n> Date: Sun, 09 Oct 2011 11:39:04 -0400\n> From: \"Mark L. Hammond\" <[email protected]>\n> To: [email protected], [email protected]\n> Subject: [amsat-bb] Re: ARISSat-1 over Europe\n> Message-ID: <[email protected]>\n> Content-Type: text/plain; charset=\"us-ascii\"\n> \n> Hello Jan,\n> \n> 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.\n> \n> 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.\n> \n> The orbit will precess in the next couple of weeks and we'll again have some useable time.\n> \n> 73,\n> \n> Mark N8MH \n> \n> At 04:22 PM 10/9/2011 +0200, PE0SAT wrote:\n> \n> \n> \n>> Are there stations in Europe that receive ARISSat-1 telemetry or other\n>> data? I tryed last week and yesterday evening but nothing was received.\n>> \n>> Are the batteries completly drained and therefor no activity when the\n>> Sat is in the dark :-)\n>> \n>> \n>> 73 Jan PE0SAT\n>> \n>> _______________________________________________\n>> Sent via [email protected]. Opinions expressed are those of the author.\n>> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> \n> \n> \n> ------------------------------\n> \n> Message: 9\n> Date: Sun, 9 Oct 2011 09:22:43 -0400\n> From: Zac Manchester <[email protected]>\n> To: [email protected]\n> Subject: [amsat-bb] KickSat - a personal spacecraft of your own in\n> \tspace\n> Message-ID:\n> \t<CAKkXDTVprkw8mr1fdfVQORAVzjvymMdpdEthpTNECKPYDVf5Ag@mail.gmail.com>\n> Content-Type: text/plain; charset=ISO-8859-1\n> \n> Hello,\n> \n> I'm launching a project in my spare time that some AMSAT members might\n> be interested in. I'm a graduate student in Aerospace Engineering at\n> Cornell, and I've been working on a ChipSat/Femtosatellite called\n> Sprite for the last several years. I want to launch a CubeSat full of\n> Sprites into low Earth orbit to demonstrate their viability in space.\n> I'm raising money to build the hardware via the Kickstarter website\n> (kicksat.org). Donors who sponsor a sprite will get to name it and\n> specify the text that it will transmit. A group or club can also\n> sponsor a fleet of Sprites together.\n> \n> I'm doing this to try to get more people involved in spaceflight. I\n> want to make it easy enough and cheap enough so that anyone can take\n> part.\n> \n> Please check out my page on Kickstarter for more information - kicksat.org\n> \n> Thanks,\n> Zac Manchester\n> \n> \n> ------------------------------\n> \n> Message: 10\n> Date: Sun, 09 Oct 2011 17:50:48 +0100\n> From: Clive Wallis <[email protected]>\n> To: amsat <[email protected]>\n> Subject: [amsat-bb] Re: G5500 Elevation Rotator Short Circuit?\n> Message-ID: <[email protected]>\n> Content-Type: text/plain; charset=windows-1252; format=flowed\n> \n> Many thanks Tim for your comments. From what you've said it sounds like \n> a faulty motor. In the ones you've repaired have you been able to \n> determine the cause of motor over heating?\n> \n> The problems I've had in the past have always been due to water getting \n> into the units.\n> \n> 73 Clive G3CWV\n> \n> Hitchin, North Hertfordshire, UK\n> \n> On 07/10/2011 18:50, Tim Cunningham wrote:\n>> The common failure of the motor windings is caused by heat which\n>> causes the enamel coated wire to breakdown. When the enamel breaks\n>> down an inner winding short results.\n>> \n>> I have successfully rewound motor windings on these rotators just to\n>> say it could be done, but it takes some work (not recommended).\n>> \n>> I have never seen one of these motors with an open winding. The\n>> failure mode on the 8 that I have repaired were always enamel\n>> insulation breakdown as a result of overheating.\n>> \n>> \n>> Tim - N8DEU\n>> \n>> \n>> Sent from my HTC Tilt? 2, a Windows? Mobile phone\n>> \n>> -----Original Message----- From: Clive Wallis<[email protected]>\n>> Sent: Friday, October 07, 2011 11:35 AM To:\n>> amsat<[email protected]> Subject: [amsat-bb] G5500 Elevation Rotator\n>> Short Circuit?\n>> \n>> I wonder if this is a known fault. Recently the fuse on my G5500\n>> blew. The problem seems to be a short on one of the motor\n>> circuits.\n>> \n>> Checking the DC resistance at the control end, the resistance of one\n>> winding is 1.2 ohms, whereas all the other windings are 4.6 ohms.\n>> \n>> I could understand a motor burning out and going open circuit, but\n>> a short circuit seems less likely. I'm wondering if it could be a\n>> short on the cable at the rotator end, where it is subject to much\n>> bending. There's about 15 metres of cable.\n>> \n>> Any thoughts would be much appreciated. Unfortunately, at the\n>> present time I'm not able to inspect the rotator. It's stuck in the\n>> horizontal position, so I will still be able to use the antenna for\n>> low elevation passes.\n>> \n>> 73 Clive G3CWV\n>> \n>> Hitchin, North Hertfordshire, UK\n>> _______________________________________________ Sent via\n>> [email protected]. Opinions expressed are those of the author. Not\n>> an AMSAT-NA member? Join now to support the amateur satellite\n>> program! Subscription settings:\n>> http://amsat.org/mailman/listinfo/amsat-bb\n>> \n>> \n>> _______________________________________________ Sent via\n>> [email protected]. Opinions expressed are those of the author. Not\n>> an AMSAT-NA member? Join now to support the amateur satellite\n>> program! Subscription settings:\n>> http://amsat.org/mailman/listinfo/amsat-bb\n>> \n> \n> \n> \n> ------------------------------\n> \n> Message: 11\n> Date: Sun, 09 Oct 2011 10:38:41 -0700\n> From: Bill Ress <[email protected]>\n> To: [email protected]\n> Subject: [amsat-bb] Re: KickSat - a personal spacecraft of your own in\n> \tspace\n> Message-ID: <[email protected]>\n> Content-Type: text/plain; charset=ISO-8859-1; format=flowed\n> \n> Interesting idea Zac, but I have a few questions.\n> \n> Will each Sprite have it's own frequency?\n> \n> Since these Sprites are operating in the Amateur satellite bands, how \n> will you license them?\n> \n> How will you handle the frequency coordination of these transmitters?\n> \n> Regards...Bill - N6GHz\n> \n> \n> \n> On 10/9/2011 6:22 AM, Zac Manchester wrote:\n>> Hello,\n>> \n>> I'm launching a project in my spare time that some AMSAT members might\n>> be interested in. I'm a graduate student in Aerospace Engineering at\n>> Cornell, and I've been working on a ChipSat/Femtosatellite called\n>> Sprite for the last several years. I want to launch a CubeSat full of\n>> Sprites into low Earth orbit to demonstrate their viability in space.\n>> I'm raising money to build the hardware via the Kickstarter website\n>> (kicksat.org). Donors who sponsor a sprite will get to name it and\n>> specify the text that it will transmit. A group or club can also\n>> sponsor a fleet of Sprites together.\n>> \n>> I'm doing this to try to get more people involved in spaceflight. I\n>> want to make it easy enough and cheap enough so that anyone can take\n>> part.\n>> \n>> Please check out my page on Kickstarter for more information - kicksat.org\n>> \n>> Thanks,\n>> Zac Manchester\n>> _______________________________________________\n>> Sent via [email protected]. Opinions expressed are those of the author.\n>> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>> \n> \n> \n> ------------------------------\n> \n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT member? Join now to support the amateur satellite program!\n> http://amsat.org/mailman/listinfo/amsat-bb\n> \n> \n> End of AMSAT-BB Digest, Vol 6, Issue 558\n> ****************************************\n\n\n", "attachments": [] }