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 <[email protected]> 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 <[email protected]> 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 [email protected]. 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 [email protected]. 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 [email protected]. 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
