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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/PEYROSMDJN3T54IJGL4OTSIWHJCSRVM5/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "PEYROSMDJN3T54IJGL4OTSIWHJCSRVM5",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/P46CVDYY6PB5CSXSAVFIYWROWYG254UE/",
    "sender": {
        "address": "samudra.haque (a) gmail.com",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Samudra Haque",
    "subject": "[amsat-bb] Re: [sarex] Re: Re: ARISSat-1 and FOX social media\tfundraising",
    "date": "2010-11-18T23:21:04Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/W6V7HS5HBYMDOWOG3ZQG7LGHWAHRX6VC/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Can I ask how many solar panels will be unfurled from the 1U chassis\nwhich has an internal dimension of approx. 87 x 87 mm? Will it be a\nsymmetric or assymetric arrangement? Will the antenna be embedded into\nthe extended solar panel?\n\n73 de N3RDX\n\nSamudra\n\nOn Thu, Nov 18, 2010 at 4:48 PM, Anthony Monteiro <[email protected]> wrote:\n> Hi Trevor,\n>\n> The current plan is to use the same frequency for the FM downlink\n> and the telemetry beacon. The IHU will have sufficient memory capacity to\n> hold at least a days worth of data so the beacon would be turned on once\n> a day for a telemetry dump and then back to transponder mode.\n>\n> And yes, we plan to use forward error correction on the beacon so\n> that it will be bulletproof. It will likely be a different format\n> than the one used on ARISSat-1 since we want a higher bit rate and Fox\n> will be passive magnetic stabilized (like AO-51) so it will not suffer\n> from tumble fading like ARISSat might and the interleave length does not\n> need to be as long.\n>\n> Thanks for your interest!\n> Tony AA2TX\n> ---\n>\n> At 03:35 PM 11/18/2010, Trevor . wrote:\n>>--- On Thu, 18/11/10, Andrew Glasbrenner <[email protected]> wrote:\n>> >\n>> http://www.amsat.org/amsat-new/images/fck_images/2010_President_Annual_Report%281%29.pdf\n>> >\n>> > Slides 14 through 17\n>>\n>>Hi Drew,\n>>\n>>Really glad to see that AMSAT-NA is going ahead with the FOX project.\n>>\n>> >From my point of view potentially the valuable part of FOX is the\n>> deployable Solar Panels.\n>>\n>>This has never been done on a 1U CubeSat and should significantly\n>>increase the power available. A space proven system to deploy panels\n>>on a 1U sat will benefit not just AMSAT-NA for future projects but\n>>the entire CubeSat community.\n>>\n>>Unfortunately I wasn't able to get to the symposium so perhaps you\n>>could clarify one of the slides for me.\n>>\n>>Slide 16 mentions both a U/V FM transpoder and a V telemetry beacon.\n>>Is the telemetry beacon on a seperate frequency from the transponder\n>>so both can run at the same time ? Also is the beacon using the\n>>robust narrow band, high efficiently, BPSK system developed for ARISSat-1 ?\n>>\n>>I look forward to the launch of ARISSat-1 in the New Year with its\n>>first ever space deployment of a SDX linear transponder, with that\n>>and the Slow Scan TV, its sure to be very popular.\n>>\n>>73 Trevor M5AKA\n>>\n>>\n>>\n>>\n>>\n>>_______________________________________________\n>>Sent via [email protected]. Opinions expressed are those of the author.\n>>Not an AMSAT-NA member? Join now to support the amateur satellite program!\n>>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>\n",
    "attachments": []
}