Hi Samudra, We haven't worked this out yet.
73, Tony AA2TX --- At 06:21 PM 11/18/2010, Samudra Haque wrote: >Can I ask how many solar panels will be unfurled from the 1U chassis >which has an internal dimension of approx. 87 x 87 mm? Will it be a >symmetric or assymetric arrangement? Will the antenna be embedded into >the extended solar panel? > >73 de N3RDX > >Samudra > >On Thu, Nov 18, 2010 at 4:48 PM, Anthony Monteiro <aa...@comcast.net> wrote: > > Hi Trevor, > > > > The current plan is to use the same frequency for the FM downlink > > and the telemetry beacon. The IHU will have sufficient memory capacity to > > hold at least a days worth of data so the beacon would be turned on once > > a day for a telemetry dump and then back to transponder mode. > > > > And yes, we plan to use forward error correction on the beacon so > > that it will be bulletproof. It will likely be a different format > > than the one used on ARISSat-1 since we want a higher bit rate and Fox > > will be passive magnetic stabilized (like AO-51) so it will not suffer > > from tumble fading like ARISSat might and the interleave length does not > > need to be as long. > > > > Thanks for your interest! > > Tony AA2TX > > --- > > > > At 03:35 PM 11/18/2010, Trevor . wrote: > >>--- On Thu, 18/11/10, Andrew Glasbrenner > <glasbren...@mindspring.com> wrote: > >> > > >> > http://www.amsat.org/amsat-new/images/fck_images/2010_President_Annual_Report%281%29.pdf > >> > > >> > Slides 14 through 17 > >> > >>Hi Drew, > >> > >>Really glad to see that AMSAT-NA is going ahead with the FOX project. > >> > >> >From my point of view potentially the valuable part of FOX is the > >> deployable Solar Panels. > >> > >>This has never been done on a 1U CubeSat and should significantly > >>increase the power available. A space proven system to deploy panels > >>on a 1U sat will benefit not just AMSAT-NA for future projects but > >>the entire CubeSat community. > >> > >>Unfortunately I wasn't able to get to the symposium so perhaps you > >>could clarify one of the slides for me. > >> > >>Slide 16 mentions both a U/V FM transpoder and a V telemetry beacon. > >>Is the telemetry beacon on a seperate frequency from the transponder > >>so both can run at the same time ? Also is the beacon using the > >>robust narrow band, high efficiently, BPSK system developed for ARISSat-1 ? > >> > >>I look forward to the launch of ARISSat-1 in the New Year with its > >>first ever space deployment of a SDX linear transponder, with that > >>and the Slow Scan TV, its sure to be very popular. > >> > >>73 Trevor M5AKA > >> > >> > >> > >> > >> > >>_______________________________________________ > >>Sent via amsat...@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...@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...@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
