[amsat-bb] Re: SRMSAT Keps and Down Link Details

-- With regards PE0SAT Internet web-page http://www.pe0sat.vgnet.nl/ On Tue, October 11, 2011 13:56, Lynn W. Deffenbaugh (Mr) wrote: > I put the TLE from below into a satellite tracking program and the > anticipated track over the past 12 hours or so can be viewed at > > http://tinyurl.com/66ddu6d > > Of course, the satellite isn't on orbit yet, but I thought a preview of > the TLE-predicted track might prove interesting. > > Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32 > > PS. Here's the image itself, just in case it makes it through > amsat.org's remailer. > > > > On 10/10/2011 1:43 PM, Dinesh Cyanam wrote: >> 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@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 ? 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 ? 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@gmail.com >>> To: pe0sat@vgnet.nl, amsat-bb@amsat.org >>> Subject: [amsat-bb] Re: ARISSat-1 over Europe >>> Message-ID:iff51h0054ltuWb05ff5HB@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@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 Manchesterfleet@kicksat.org >>> To: amsat-bb@amsat.org >>> Subject: [amsat-bb] KickSat - a personal spacecraft of your own in >>> space >>> Message-ID: >>> CAKkXDTVprkw8mr1fdfVQORAVzjvymMdpdEthpTNECKPYDVf5Ag@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 Wallislist1@g3cwv.co.uk >>> To: amsatamsat-bb@amsat.org >>> Subject: [amsat-bb] Re: G5500 Elevation Rotator Short Circuit? >>> Message-ID:4E91D0E8.2030702@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 Wallisamsat-bb@g3cwv.co.uk >>>> Sent: Friday, October 07, 2011 11:35 AM To: >>>> amsatamsat-bb@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@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@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 Ressbill@hsmicrowave.com >>> To: amsat-bb@amsat.org >>> Subject: [amsat-bb] Re: KickSat - a personal spacecraft of your own in >>> space >>> Message-ID:4E91DC21.70205@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@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@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 >>> **************************************** >> >> _______________________________________________ >> Sent via AMSAT-BB@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@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 >