I decoded 19 frames of telemetry while sitting inside a house with an Icom IC-R10 (manually tuning for Doppler) and a MFJ half-wave whip. A simple audio cable ran from the Icom IC-R10 to a Dell Venue 8 Pro tablet (an 8" tablet running full Windows 8.1). It is quite easy to receive!
73, Paul, N8HM On Sat, Jan 18, 2014 at 11:50 AM, Burns Fisher <bu...@fisher.cc> wrote: > Hi Rich, > > The minimum equipment to receive is pretty small. I think it depends in > detail on what you want to do. The signal is nice and strong in the > daytime when you would be doing school experiments. When Funcube is in > sun, it turns off the ham transponder and uses all it's downlink power on > the telemetry beacon. > > To give you an idea of what you need, I have been able to hear AO73 on an > HT with rubber ducky. I have not tried to decode anything that way, and I > would not necessarily recommend that, but it IS easy to receive. For my > telemetry station, I am using a Funcube Dongle Pro Plus (I also used and > older Pro non-Plus), a M3 Eggbeater 2M antenna and a preamp out at the > antenna. The antenna is not well placed. It maybe 6 feet above the ground > between my house and the woods, but with a clearish view to the southeast. > I am generally able to get dozens of packets per daytime pass depending on > the azimuth and altitude of the pass. At night when the beacon power is a > lot lower, I am more likely to get a few packets up to a couple dozen, > again depending on the azimuth and altitude. I can generally receive > successfully on 2 or three passes in the morning and 1 or 2 passes in the > evening. Obviously, you can get more with a beam of some sort, and the act > of pointing is itself interesting science. > > 73, > > Burns W2BFJ > > > On Sat, Jan 18, 2014 at 8:50 AM, Rich/wa4bue <richard.s...@verizon.net>wrote: > >> Hi All >> >> Just getting back to A0 73. Found AO 73 in the CELTEX file, that was >> great. Is the data signal stable as compared to the transponder? If not >> what is the technique for tracking the drift? I would like to try to >> implement at school by April. With a little luck we will have the upgraded >> Portable SATCOM running next week. Once it is up I will try to get some IT >> guys setting up the dash board. >> >> Also what is the minimal antenna to copy AO 73? We have picked up a >> second school and looking at a 3rd one maybe next year, >> >> Your answers will be a great help. >> >> God Bless >> >> Rich W4BUE >> K4AMG.org >> W4FOS HS Radio Club >> >> ----- Original Message ----- From: "M5AKA" <m5...@yahoo.co.uk> >> To: "AMSAT BB" <amsat-bb@amsat.org> >> Sent: Saturday, January 18, 2014 6:37 AM >> Subject: [amsat-bb] New Guide Promotes FUNcube-1's Educational Value >> >> >> ARRL Education & Technology Program (ETP) Director Mark Spencer, WA8SME >>> has developed a new FUNcube guide, see >>> >>> >>> http://www.arrl.org/news/new-guide-promotes-funcube-1-s-educational-value >>> >>> >>> ---- >>> 73 Trevor M5AKA >>> AMSAT-UK >>> website http://amsat-uk.org/ >>> Facebook https://www.facebook.com/pages/AMSAT-UK/208113275898396 >>> Twitter https://twitter.com/AMSAT_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 >> > _______________________________________________ > 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
