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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/BG53UGRMQRPG2ZORM2LS7SZEOWSA4L76/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "BG53UGRMQRPG2ZORM2LS7SZEOWSA4L76",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/X7LARGEAIDSZQOIHTT2YARAN3ZIDB5UH/",
    "sender": {
        "address": "godetj (a) wanadoo.fr",
        "mailman_id": "80e78f33b7e5449fbf3fe453c2bca4a8",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/80e78f33b7e5449fbf3fe453c2bca4a8/emails/"
    },
    "sender_name": "Jean-Pierre Godet",
    "subject": "Re: [amsat-bb] CAS4A CAS4B SDR recordings?",
    "date": "2017-06-17T09:46:28Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/EX3TKIXYIG34FNOYPD5ATT5236KGQIAY/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "   Hi Douglas, all!\n\n   I'm late as Scott just shared  his full pass excellent i/q file and \nnice video.\n   If this can help, I recorded only 50 secondes of the last pass over \nwestern Europe (orbit nr 32) so that the files don't become too large.\n\nA 32-bit floating point raw i/q file (for Gqrx, etc...):\nhttp://f5yg.pagesperso-orange.fr/incoming/CAS-4A_20170617_orb32.raw\n\nThe same one translated in a PCM 16-bit wav file (for SDR#, etc...):\nhttp://f5yg.pagesperso-orange.fr/incoming/CAS-4A_20170617_orb32.wav\n\nThe full 199 frames of this 50 seconds record (text hexa):\nhttp://f5yg.pagesperso-orange.fr/incoming/CAS-4A_20170617_orb32.txt\n\nAnd the sound of space with the CW telemetry (mp3):\nhttp://f5yg.pagesperso-orange.fr/incoming/CAS-4A_20170617_orb32.mp3\n\n   Have a nice w.-e.!\n\n   J-P F5YG\n\nOn 16/06/2017 19:03, Jean-Pierre Godet wrote:\n>    Douglas, if this can help, you will find here :\n> http://f5yg.pagesperso-orange.fr/incoming/CAS-4A_telemetry.txt\n> 152 frames of the pass, orbit nr 17, this morning June 16th, starting at \n> 0730 UTC, each frame 147 bytes (coded hexa).\n> \n>    73 !\n> \n>    J-P F5YG\n> \n> On 16/06/2017 18:31, Jean-Pierre Godet wrote:\n>>    Hi Douglas, all,\n>>\n>>    On the next passes over the south of western Europe, tomorrow \n>> morning, I will record an i/q file and give you a link to download it \n>> (caution : 1 mn ==> 100 MB).\n>>\n>>    Despite the fact that the two birds here never climbs very high \n>> above the horizon, maybe 30 deg., the signal is very strong and the \n>> demodulation of the 4800 bps GMSK telemetry very easy. During the \n>> pass, you doesn't lose a frame.\n>>    Conditions : GPA + preamplifier in the attic, FCD-Pro+, Gqrx (SDR \n>> prgm), Gpredict (Doppler shift tracking), DireWolf 1200/2400/4800/9600 \n>> bps FSK/GMSK demodulator).\n>>\n>>    Have a nice evening, 73 !\n>>\n>>    J-P F5YG\n>>\n>> On 16/06/2017 16:30, Douglas Quagliana wrote:\n>>> Does anyone have an SDR recording of CAS4A / CAS4B? I would like to \n>>> try to demodulate and decode the 4800 baud telemetry signals and see \n>>> what they say.\n>>>\n>>> Regards,\n>>> Douglas\n>>> _______________________________________________\n>>> Sent via [email protected]. AMSAT-NA makes this open forum available\n>>> to all interested persons worldwide without requiring membership. \n>>> Opinions expressed\n>>> are solely those of the author, and do not reflect the official views \n>>> of AMSAT-NA.\n>>> Not an AMSAT-NA member? Join now to support the amateur satellite \n>>> program!\n>>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n>>>\n>> _______________________________________________\n>> Sent via [email protected]. AMSAT-NA makes this open forum available\n>> to all interested persons worldwide without requiring membership. \n>> Opinions expressed\n>> are solely those of the author, and do not reflect the official views \n>> of AMSAT-NA.\n>> Not an AMSAT-NA member? Join now to support the amateur satellite \n>> program!\n>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n>>\n",
    "attachments": []
}