April 2009 - AMSAT-BB - mailman.amsat.org

Re: UT1FG/MM
by Keith N4ZQ 19 Apr '09

19 Apr '09

Yuri, UT1FG/MM was on VO-52 Sunday morning from FM91. QSL route is Direct to his home QTH via QRZ.com. But keep in mind he is at sea many months at a time and won't get home for a while. This years sea adventures have just started and he is working his way down to the Caribbean. Keith N4ZQ ---------- Original Message ---------- From: Stan W1LE <stanw1le(a)verizon.net> To: n3tl(a)bellsouth.net Cc: AMSATBBS <amsat-bb(a)amsat.org> Subject: [amsat-bb] Re: UT1FG/MM Date: Sun, 19 Apr 2009 09:37:05 -0400 Hello The Net: Yuri does QSL. As a ARRL Award card checker I have processed a number of his QSL cards. I do not have his QSL address. He will be the ONLY opportunity to work unpopulated wet grids. On VHF and Satellite. As a grid chaser, work 'em and worry about the QSL confirmation later. I am absolutely tickled that Yuri is back in range and operating. Stan, W1LE n3tl(a)bellsouth.net wrote: > Hey Angelo, > > Have you - or has anyone - ever received a QSL from Yuri? > > Having the exotic maritime grids in the log would be nice, I suppose - but they don't help with any awards or anything unless the operator will provide a QSL card. My understanding is that he's next-to impossible to get QSLs from. He's not unique in that regard, but I just can't get too fired up about working guys from grids that I likely won't ever get confirmed. > > Any hints on getting a card from him will be very helpful. > > 73 to all, > > Tim - N3TL > -------------- Original message from "Angelo Glorioso (n5uxt)" <n5uxt(a)hotmail.com>: -------------- > > > >> Good Morning, >> >> >> Worked UT1FG/MM in GM24 on FO29 08:14am local time. >> >> >> Keep a look out for him. >> >> >> 73 de Angelo >> >> >> _______________________________________________ >> Sent via AMSAT-BB(a)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(a)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(a)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 ____________________________________________________________ Reduce your debt up to 40%. Click here for debt consolidation information. http://thirdpartyoffers.netzero.net/TGL2241/fc/BLSrjpYVtMNB875T50K6czmt9UBO…

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FW: ANS-109 AMSAT Weekly Bulletins
by Dee 19 Apr '09

19 Apr '09

-----Original Message----- From: Dee [mailto:Morsesat@optonline.net] Sent: Sunday, April 19, 2009 10:02 AM To: (ans(a)amsat.org) Cc: JoAnne Maenpaa (k9jkm(a)comcast.net) Subject: FW: [amsat-bb] ANS-109 AMSAT Weekly Bulletins AMSAT NEWS SERVICE ANS-109 ANS is a free, weekly, news and information service of AMSAT North America, The Radio Amateur Satellite Corporation. ANS reports on the activities of a worldwide group of Amateur Radio operators who share an active interest in designing, building, launching and communicating through analog and digital Amateur Radio satellites. Please send any amateur satellite news or reports to: ans-editor(a)amsat.org In this edition: * AMSAT Activites at Dayton 2009 * AMSAT/TAPR Banquet Note * HAMSAT * SumbandilaSat: From Sub To Space * Satellite Shorts * Balloon Launch-Assist in Tracking * ARISS Schedule SB SAT @ AMSAT $ANS-109.1 AMSAT Activites at Dayton 2009 From AMSAT HQ SILVER SPRING, MD. April 19, 2009 To All RADIO AMATEURS BID: $ANS-109.1 In addition to being the keynote speaker at the AMSAT/TAPR Banquet on Friday, Richard Garriott, entrepreneur, game programmer and space tourist will being visiting the AMSAT booth on Friday and Saturday. Come by and meet Richard, the specific times will be available soon. We will be having our Thursday night get-together at a new location this year - Tickets Pub in Fairborn. The menu has many tasty items, so come by and visit with your AMSAT friends. Drew and Keith will be leading the outdoor satellite demonstrations this year. They will have two types of stations setup and operational - computer controlled station and handheld station. This is the 40th Anniversary of AMSAT, we have a great tee design by Steve Kenwolf to celebrate the event as well as many pices of AMSAT memorabilia on display. Members of the SuitSat-2 team will have a complete operational SuitSat protoype with an experiment. As always there will be new publications, frequency chart, LVB Trackers and premiums for membership renewal. The AMSAT Forum is Saturday moring 11:15 to 13:30 in Room 5. Visit the AMSAT web site for additional information. Come by booths 444-449 during the May 15-17 2009 Dayton Hamvention. [ANS thanks Gould, WA4SXM, for the above information] /EX SB SAT @ AMSAT $ANS-109.2 AMSAT/TAPR Banquet Note AMSAT News Service Bulletin 109.2 From AMSAT HQ SILVER SPRING, MD. April 19, 2009 To All RADIO AMATEURS BID: $ANS-109.2 The Dayton AMSAT/TAPR banquet is just about 1 month away. Our Guest Speaker is Richard Garriott, W5KWQ. If you have not registered, go to the AMSAT website and look on the left hand side. There will be a box that says Dayton Hamvention. Click on that and it will lead you to the banquet registration. You MUST be pre- registered to attend. You cannot register at Dayton. -- [ANS thanks Martha, AMSAT Manager, for the above information] /EX SB SAT @ AMSAT $ANS-109.3 HAMSAT AMSAT News Service Bulletin 109.3 From AMSAT HQ SILVER SPRING, MD. April 19, 2009 To All RADIO AMATEURS BID: $ANS-109.3 Hi All Hamsat 4th Birthday is coming up next month, 5 May 2009 and Hamsat has been the most popular Amateur Sat for beginners and veterans all over the world. Hamsat is very healthy and should serve the ham community for many more years. Amsat India is pleased to announce that we are conducting a Workshop to coincide with the 4 th anniversary celebrations of the Hamsat. ( Note this is an advance infomation, complete programme schedule is frozen and will be announced shortly) Date 10 May 2009 Starts at 8 AM with registration and breakfast Morning sessions include various topics Lunch Afternoon session Tea & close by 4 pm Venue : Little Lilly English School, Vidyaranyapura, Bamgalore Delegate fee Rs 100/- Detailed programme schedule etc will be announced shortly on these email groups, local nets etc. You may also check our web page www.amsatindia.org email : info(a)amsatindia.org We request all hams and wouldbe hams interested in Amateur Satellite activity to kindly participate and make the event a grand success. Looking forward to your participation. Best 73 Pop VU2POP Secy Amsat India [ANS Thanks Pop, VU2POP, for the above info] /EX SB SAT @ AMSAT $ANS-109.4 SumbandilaSat: From Sub To Space AMSAT News Service Bulletin 109.4 From AMSAT HQ SILVER SPRING, MD. April 19, 2009 To All RADIO AMATEURS BID: $ANS-109.4 A Sat News Daily story dated April 12, 2009, says SumbandilaSat to launch in June from a sub. SumbandilaSat: From Sub To Space http://www.satnews.com/cgi-bin/story.cgi?number=195613620 SatNewsDaily were quoting from a South African Business Report story - Russian sub to launch second satellite http://www.busrep.co.za/index.php?fSectionId=552&fArticleId=4930464 The South African Business Report website last year carried a story on the use of Soyuz launcher at Baikonur. http://www.busrep.co.za/index.php?fSectionId=552&fArticleId=4596130 The Southern Africa AMSAT website is still quoting Baikonur http://www.amsatsa.org.za/ [ANS Thanks, Trevor, M5AKA, for the above info] /EX SB SAT @ AMSAT $ANS-109.5 Satellite Shorts AMSAT News Service Bun 109.5 From AMSAT HQ SILVER SPRING, MD. April 19, 2009 To All RADIO AMATEURS BID: $ANS-109.5 Good DX via AO-7 This week AO-7 continued to surprise and delight amateur radio satellite operators with opportunities for good DX. On April 12 Tim, N3TL reported, "At 21:33 UTC today G1WPR answered my "CQ DX" on AO-7 Mode B. I was sending CW with the straight key I picked up for Straight Key Night on AO-51, and Terry called me in SSB so we completed a cross-mode QSO of more than a minute with a few exchanges. I am thrilled!" Tim also logged more trans-Atlantic AO-7 QSOs on April 16, "PH7PCF in the Netherlands answered my CW "CQ DX" with a hello in SSB. Then, a couple of minutes later, F2IL returned my CW in some CW from France. What a hoot!" The equipment at N3TL consists of a Yaesu FT-857D for TX and a Yaesu FT-817ND for RX (both used radios). He uses a Diamond MX-72H duplexer to connect them to a dual-band Elk log periodic, which is hand-held, manually tracking the satellites. Computer doppler control was done with Simon's HRD Satellite Tracker. Of the CW operation Tim described his setup, "I have the "CQ DX" call set up in a memory buffer on my FT-857D. But when somebody responds, the straight key takes over." Turning 35 years old on November 15, 2009 AO-7 still carries lots of amateur satellite traffic. Joe, K3SZH says Igor UA9CS Igor has now logged over 6000 QSOs via the bird. Also, this month Mike, KC9ELU has reached his 1000th QSO via AO-7. [ANS thanks Tim, N3TL and Joe, K3SZH for the above information] /EX W0YPT Silent Key AMSAT received the sad news that Telmer G. Olson, W0YPT became a silent key at age 91 this week. Telmer had worked the satellites from the earliest OSCARs to the modern satellites. Jerry, W0SAT remembered, "He elmered me and helped me get on the satellites in 1996. I knew him as a great friend that I called on for advice all the time. I used to visit him at his QTH and went to hamfests with him too. I and all the people who ever had contact with will always remember the many QSO,s and contacts we had with him." ANS thanks Jerry, WOSAT for the above information] /EX SB SAT @ AMSAT $ANS-109.6 Balloon Launch-Assist in Tracking AMSAT News Service Bulletin 109.6 From AMSAT HQ SILVER SPRING, MD. April 19, 2009 To All RADIO AMATEURS BID: $ANS-109.6 The NS3 group of Cornell University engineering graduate students will launch PBH-9 (Project Blue Horizon) from Lockheed Martin in Owego NY on Sunday evening, 19Apr09, at approximately 21:00EDT (Monday, 20Apr09, 01:00UT) This ARHAB flight (Amateur Radio High Altitude Ballooning) will ascend and then float for up to 50-hours while drifting to the east. The payload will include a KC2TUA-8 144.390 APRS beacon (track via (http://findu.com/cgi-bin/find.cgi?call=KC2TUA-8) and HF CW position report and telemetry downlinks on 7.104MHz and 10.148MHz. The NS3 PBH-9 team requests distant ground stations receive and report HF telemetry via N2XE(a)arrl.net including reception UT date and time. Distant receiving stations are welcome to also submit HF reception reports to W0RPK(a)amsat.org for the ARHAB <50MHz telemetry reception record, see http://showcase.netins.net/web/wallio/ARHABrecords.htm. Additional PBH-9 information including HF telemetry transmit schedule and format is available via http://showcase.netins.net/web/wallio/ARHABlaunchannouncements.htm. Flight updates are available from the NS3 PBH-9 team via http://twitter.com/pbh3. [ANS thanks Ralph, W0RPK, for the above information] /EX SB SAT @ AMSAT $ANS-109.7 ARISS Schedule AMSAT News Service Bulletin 109.7 From AMSAT HQ SILVER SPRING, MD. April 13, 2009 To All RADIO AMATEURS BID: $ANS-109.7 1. Upcoming School Contacts Students from Ulvila Upper Secondary School in Ulvila, Satakunta, Finland have been preparing for an Amateur Radio on the International Space Station (ARISS) contact. It was completed on Friday, April 17 at 07:40 UTC. They have studied physics and astronomy and have researched the ISS. They have written essays and created posters on related subject matter. Students have also learned about amateur radio. Newspaper, radio and television coverage is anticipated. An Amateur Radio on the International Space Station (ARISS) contact has been scheduled for St. Edward School in Ashland, Ohio, U.S.A. on Monday, April 20 at 16:36 UTC. The ARISS contact has been integrated into the science curriculum which covers topics on satellite images, global positioning of satellites, telescopes, and radio waves. Students read science related books and poems, conducted informational internet searches, wrote stories and informational articles, interviewed amateur radio operators, and studied and applied science and math objectives. Media coverage is expected. 2. Japanese Contact to be Rescheduled An Amateur Radio on the International Space Station (ARISS) contact was scheduled for Thursday, April 9 between Kawanishi Seiwadai Community Center in Hyogo, Japan and Koichi Wakata, KC5ZTA onboard the ISS. Due to technical difficulties, the contact did not take place. The contact will be rescheduled in the near future. 3. Parkside Contact Video On Monday, March 30, students from Parkside Community College in Cambridge, U.K. took part in an Amateur Radio on the International Space Station (ARISS) contact with Spaceflight Participant Charles Simonyi, KE7KDP/HA5SIK. Video of the contact is now available. See: http://www.it-sparkles.co.uk/ARISS/Parkside.aspx 4. Article Posted on ARISS - Kalori Contact On Wednesday, April 1, Kalori Catholic School students in Wallaroo, Australia experienced an Amateur Radio on the International Space Station (ARISS) contact with Mike Fincke, KE5AIT. The Yorke Peninsula Country Times published an article covering the event. See: http://www.ypct.com.au/index.php?option=com_content&task=view&id=4840&Itemid =66 5. ARRL Article on CLC Contact The American Radio Relay League (ARRL) ran a story about an Amateur Radio on the International Space Station (ARISS) contact that took place in October 2008 between the Indianapolis Challenger Learning Center (CLC) and Spaceflight Participant Richard Garriott, W5KWQ. The article, "Hams Mentor Challenger Center Students for Garriott Contact," may be found here: http://www.arrl.org/news/features/2009/04/08/10758/?nc=1 The ARRL Web site has 100,000 regular readers. 6. ARISS News on Amateur Radio Newsline On April 3, the Amateur Radio Newsline Report 1652 included an Amateur Radio on the International Space Station (ARISS) news item. The story, "Ham Radio in Space: KE7KDP, KE5AIT and RA3DT Return from the ISS," summarizes the ARISS accomplishments of Charles Simonyi and Mike Fincke during their missions. To view the story, go to: ftp://ftp.arnewsline.org/quincy/News/news.txt 7. Astronaut Training Status The Amateur Radio on the International Space Station (ARISS) team provided another training session to Mike Fossum on Thursday, April 9 to prepare him for his amateur radio license exam. 8. ARISS Report to WIA The Wireless Institute of Australia (WIA) will hold its Annual General Meeting (AGM) over the May 1-3 weekend. Amateur Radio on the International Space Station (ARISS) mentor and telebridge station operator Tony Hutchison, V K5ZAI will give his ARISS 2008-09 report. It has been posted on the ARISS Web site under "Latest News." See: http://www.rac.ca/ariss/oindex.htm 9. ARISS-Related Article in NASA HQ News Briefs NASA Headquarters News Service cited an op-ed found in the Times of London. The item, written by Lucy and Stephen Hawking, mentions Richard Garriott's mission and how he inspired youth through his numerous radio contacts while onboard the ISS. See: http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/books/arti cle6027988.ece 10. Simonyi PowerPoint Presentation An Amateur Radio on the International Space Station (ARISS) volunteer prepared a PowerPoint presentation on Spaceflight Participant Charles Simonyi's mission and used this during the Milwee Middle School (Longwood, Florida) contact on April 1. To view the slideshow, go to www.mydrive.ch/en. Enter username, "plethra2" and password, "aa4kn_1". Select the "ARISS SLIDE SHOW" folder and download the available files. 11. SuitSat-2 Meeting Held A SuitSat-2 meeting was held in Phoenix, Arizona on April 3 - 5. The team primarily worked on software, but there was also some final coordination on the cabling and hardware. The software team was able to run some integration tests and achieved the first radio frequency (RF) output of the system. During the testing, the team demonstrated the continuous wave (CW) and voice message transmissions. Work continues on the solar panel mounting. Amateur Radio on the International Space Station (ARISS) plans to have SuitSat-2 hardware ready for delivery by September. [ANS thanks Carol, KB3LKI, for the above information] /EX 73, This week's ANS Editor, Dee Interdonato, NB2F nb2f at amsat dot org

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Puters??
by Jerry Felts 19 Apr '09

19 Apr '09

Is the Elk Antenna better than a Arrow ant?? Thats my loaded question but not the subject of this email. How do you use a puter to tune your radios?? Newbie wants to know!! I didn't get a chance to try any of the birds tonite. Dialysis did a number on me today. I want to thank youu guys for the help you have given me when I ask about something. Its a learning experience with each diguest I get. Thanks!!! I've never heard anything on AO7 yet. Jerry - NR5A - South Dakota www.freewebs.com/nr5a http://groups.yahoo.com/group/Minimalist_QRP_Transceivers/ http://www.cakewalkblogs.com/nr5asminimalradio/index.aspx http://nr5abeaconblog.blogspot.com/

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UT1FG/MM
by Angelo Glorioso (n5uxt) 19 Apr '09

19 Apr '09

Good Morning, Worked UT1FG/MM in GM24 on FO29 08:14am local time. Keep a look out for him. 73 de Angelo

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Newbie: Specific question re: Kenwood TM-D700A
by Robert Smith 19 Apr '09

19 Apr '09

Aloha I have tackled a new (older) radio for use in communicating with ISS, PCSAT and FM satellites. I am using the Kenwood TM-D700A in the non-TNC mode in conjunction with AGWPE, UISS and UIVIEW software (UIVIEW facilitating my Satgate). I have run a mini-din cable from the Kenwood to a Rascal mixing device then to an external soundcard. There are several reasons I have done this; foremost is the fact that UISS is so user friendly. Also, the signal coming off the minidin is supposed to be much cleaner than running the radio's speakers out (a telemetry requirement for many of the cubesats). This setup works for not only packets but other software types such as WXTOIMG. My apparent problem is that the signal does not appear to have high enough gain. For instance, when I view the sine wave in AGWPE it is minimal and cannot be adjusted by radio or computer volume. The percent volume indicator in WXTOIMG also lingers on the bottom "edge" at around 41 percent. Perhaps these indicators are irrelative, I am not sure. If someone has used the minidin out for such purposes and could educate me a bit I would be eternally grateful....(well amost HIHI). And yes, I realize that the radio itself is probably capable is doing many of these things on its own!! If interested in tutoring please contact me at dukenuke(a)pixi.com. Mahalo and 73 to everyone. Respectfully robert NH7WN Honolulu, Hawaii

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(no subject)
by n3tl＠bellsouth.net 19 Apr '09

19 Apr '09

Hey everyone, Patrick, WD9EWK, and I had a pretty cool CW contact on AO-7 this evening. As far as I know (I'm confident Patrick will correct me if this is inaccurate), both of us were on full battery power and using handheld Elk antennas. My station included one FT-817ND for transmit (at 5 watts out) and another for receive, and each was running on its internal battery pack. I pulled the plug on my Acer netbook and let it do the Doppler tuning on its internal battery pack. I connected both radios to the Elk with a Diamond duplexer, and used the straight key I picked up for Straight Key Night this year. Patrick was a solid 579 when he called me, and he worked AJ9K after our contact. And unlike me, I believe he is still manually tuning for Doppler. I confess that I've gotten spoiled very quickly by the computer's assistance in that regard. I believe these are Patrick's first contacts on Grand Old AO-7. Congratulations to him. Here's to many more contacts with our "flea power" portable stations. 73 to all, Tim - N3TL

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Re: [amsat-edu] Link Budget for Cornell University's student built satellite Violet
by Bob Bruninga 19 Apr '09

19 Apr '09

>> ... If you fly dipoles they have very >> deep lobes of the end of the ends and >> will cause deep fades when the antenna >> alimented is off the ends. Two buts... But the fade is not very wide so the vast majority of time it works just fine. If you really have to have 100% solid downlink continuously, then just put two orthogonal dipoles or monopoles and then there are no fades. In our cubesat design we use two 0.02" nitenol wires that spring out the top of the cubesat at 90 degrees from each other to give us good omnidirecitnal coverage at any attitude. Bob, Wb4APR >> 3. The ground antenna when at 5 degrees elevation look into the >> warm earth i.e. 290 deg K >> >> For a reality check go copy AO 51. Copy the telemetry beacon. It uses FSK >> modulation and if you chose GMSK it is several db improvement over FSK. The >> antenna are turnstile with 2 db gain circular polarized. AO-51 keeps the >> antennas nadir pointing so there is very little fading due to polarization >> misalignments and this is a challenge on 10 cm cube. >> >> If you make it to the cube sat conference at San Louis Obispo look me up I >> am 6 ft tall with red hair and 64 years old. >> >> Good luck >> nick >> >> -----Original Message----- >> From: Yoon Ho Lee [mailto:yl482@cornell.edu] >> Sent: Wednesday, April 15, 2009 9:18 AM >> To: Nick >> Subject: Re: [amsat-edu] Link Budget for Cornell University's student built >> satellite Violet >> >> Hello Nick, >> >> It seems like the listserv denied my attachment. Here are the files. >> Thank you for your interest and help! >> >> -Danny >> >> Nick wrote: >> >>> Hi Danny >>> I will review your link budget but it was not attached to your email. >>> >>> Please reply directly to this email off list >>> >>> nick >>> >>> -----Original Message----- >>> From: amsat-edu-bounces(a)amsat.org [mailto:amsat-edu-bounces@amsat.org] >>> On Behalf Of Yoon Ho Lee >>> Sent: Tuesday, April 14, 2009 7:12 PM >>> To: amsat-edu(a)amsat.org >>> Subject: [amsat-edu] Link Budget for Cornell University's student >>> built satellite Violet >>> >>> Dear whom it may concern, >>> >>> I'm Danny Lee from Cornell University's student built satellite team >>> Violet, working on Electrical Subsystem, specifically Telemetry and >>> >> Control. >> >>> For those of you familiar with CUSat, our team is under the same UNP >>> program, on the 6th competition. >>> >>> I have worked out a preliminary link budget from limited resources and >>> knowledge, and I would greatly appreciate any input from experts out >>> >> there. >> >>> Please read the note before proceeding to the spreadsheet. >>> >>> Thank you very much in advance, and I look forward to your input. >>> >>> Sincerely, >>> >>> Danny Lee >>> Electrical Subsystem, >>> Team Violet, >>> Cornell University >>> >>> >>> >>> >>> >> >> >> >> >> > > > > >_______________________________________________ >Sent via AMSAT-BB(a)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

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Re: Homebrew Elk-style 14/435 mhz log periodic for sats?
by Oscar Diez 18 Apr '09

18 Apr '09

Hi Bill, for a homemade "Elk" style log-perodic antenna covering both the 2m and 70cm bands see this homemade antenna (with bilingual instructions in German and English) link: http://www.radio-foto.net/radio/lpdadual.pdf The text above is mostly self explaining and very simple and cheap to construct with some basic tools on hand. This antenna is slightly larger than the Elk (15 inch longer boom length) which results even in a higher gain then the original Elk design. Maybe this gives some desired extra punch for eventual indoor operation. Good luck, Oscar DJ0MY

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Re: [amsat-edu] Link Budget for Cornell University's student built satellite Violet
by Nick 18 Apr '09

18 Apr '09

Hi Danny You did a good job on the link budget. Jan King is the author and he will comment if you send him a copy. Here are my comments. 1. Patch antennas are hard to put on a cubesat because of their size. 2. If you fly dipoles they have very deep lobes of the end of the ends and will cause deep fades when the antenna alimented off the ends. 3. The ground antenna when at 5 degrees elevation look into the warm earth i.e. 290 deg K For a reality check go copy AO 51. Copy the telemetry beacon. It uses FSK modulation and if you chose GMSK it is several db improvement over FSK. The antenna are turnstile with 2 db gain circular polarized. AO-51 keeps the antennas nadir pointing so there is very little fading due to polarization misalignments and this is a challenge on 10 cm cube. If you make it to the cube sat conference at San Louis Obispo look me up I am 6 ft tall with red hair and 64 years old. Good luck nick -----Original Message----- From: Yoon Ho Lee [mailto:yl482@cornell.edu] Sent: Wednesday, April 15, 2009 9:18 AM To: Nick Subject: Re: [amsat-edu] Link Budget for Cornell University's student built satellite Violet Hello Nick, It seems like the listserv denied my attachment. Here are the files. Thank you for your interest and help! -Danny Nick wrote: > Hi Danny > I will review your link budget but it was not attached to your email. > > Please reply directly to this email off list > > nick > > -----Original Message----- > From: amsat-edu-bounces(a)amsat.org [mailto:amsat-edu-bounces@amsat.org] > On Behalf Of Yoon Ho Lee > Sent: Tuesday, April 14, 2009 7:12 PM > To: amsat-edu(a)amsat.org > Subject: [amsat-edu] Link Budget for Cornell University's student > built satellite Violet > > Dear whom it may concern, > > I'm Danny Lee from Cornell University's student built satellite team > Violet, working on Electrical Subsystem, specifically Telemetry and Control. > For those of you familiar with CUSat, our team is under the same UNP > program, on the 6th competition. > > I have worked out a preliminary link budget from limited resources and > knowledge, and I would greatly appreciate any input from experts out there. > Please read the note before proceeding to the spreadsheet. > > Thank you very much in advance, and I look forward to your input. > > Sincerely, > > Danny Lee > Electrical Subsystem, > Team Violet, > Cornell University > > > >

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current ISS pass
by David J 18 Apr '09

18 Apr '09

I'm a bit confused here. I'm currently receiving APRS signals from the ISS on 145.800 instead of 145.825 MHz. In addition, I've just updated my keps on Satscape and I see the ISS footprint way east of my location here in Florida. I appear to be having an overhead pass or close to it. I don't have time to really run this down. Does anyone have an explanation. Is this happening to anyone else? Dave, AA4KN

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