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GET /hyperkitty/api/list/[email protected]/email/5ETLJJDQPTLZDOCUK5GGOIP24BPGJTSE/?format=api
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/5ETLJJDQPTLZDOCUK5GGOIP24BPGJTSE/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "CAJCSnObMtonCt_OZ_f1CnYh2hx7J25et4bkmr7nbiMynfPA5hQ@mail.gmail.com", "message_id_hash": "5ETLJJDQPTLZDOCUK5GGOIP24BPGJTSE", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/X3QQS5F7BH5FOBKEBR2IVXDP7II5ZSUM/?format=api", "sender": { "address": "scott23192 (a) gmail.com", "mailman_id": "120e10e05ba14969a11da0a96d21e355", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/120e10e05ba14969a11da0a96d21e355/emails/?format=api" }, "sender_name": "Scott", "subject": "Re: [amsat-bb] PicSat demodulator?", "date": "2018-01-17T16:56:00Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/X3QQS5F7BH5FOBKEBR2IVXDP7II5ZSUM/?format=api", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/57QJIAIJVCZ54S53RER63KTUMKRZXNDM/?format=api", "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/5IG34LEORTIEQKFEF74Z5J26XGFDTE2X/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Despite the documentation, PicSat beacons so far have been 1k2 BPSK.\n\nThere is a 1k2 BPSK software modem in:\n\nhttp://uz7.ho.ua/modem_beta/other-versions.zip\n\n... and the demod on that would be USB. Of course the bandwidth &\ncentering of the audio output is critical for this scheme; what works well\nfor me is to output the audio (I use HDSDR into VB Audio virtual cable) at\n4 KHz with the signal centered on the 2000 Hz mark. If you match that 2000\nHz center on the 1k2 BPSK software modem screen, it decodes very nicely.\n\n-Scott, K4KDR\n\n\n================================\n\n\n\nOn Wed, Jan 17, 2018 at 11:19 AM, Ken Swaggart <[email protected]>\nwrote:\n\n> Have been trying to decode the 435.525 MHz beacons from PicSat without\n> success. The modulation is described as \"GMSK modulation with G3RUH\n> scrambling\". I'm assuming the baud rate is 9600. Normally I use UZ7HO's\n> High-Speed SoundModem for telemetry reception.\n>\n> Tnx,\n> Ken, W7KKE\n", "attachments": [] }