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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IFLYSCNG5OEWDZ2JMUIAY3CH7HKP2VMU/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "A8E85D53628D493EAE3BC864CC21F221@parents",
    "message_id_hash": "IFLYSCNG5OEWDZ2JMUIAY3CH7HKP2VMU",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/RN4MPOSWUQZ5VJOXABDELP4GBI7RSK75/?format=api",
    "sender": {
        "address": "ka3hsw (a) att.net",
        "mailman_id": "afface7d7e8049fda539552165bdde78",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/afface7d7e8049fda539552165bdde78/emails/?format=api"
    },
    "sender_name": "George Henry",
    "subject": "Re: [amsat-bb] First Demo of ground-based LEILA-2 for the NB\ttransponder",
    "date": "2016-06-27T00:02:20Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/RN4MPOSWUQZ5VJOXABDELP4GBI7RSK75/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "There were more than a few stations that could have benefitted from that on \nField Day...  heard AO-7 jump to mode A twice from being hammered too hard.\n\nGeorge, KA3HSW\n\n\n----- Original Message ----- \nFrom: \"Peter Guelzow\" <[email protected]>\nTo: \"amsat forum\" <[email protected]>; \"AMSAT-BB\" <[email protected]>\nSent: Sunday, June 26, 2016 5:43 AM\nSubject: [amsat-bb] First Demo of ground-based LEILA-2 for the NB \ntransponder\n\n\n> First Demo of ground-based LEILA-2 for the NB transponder\n> ====================================================\n>\n> the first geostationary P4-A satellite Es'hail-2 will carry two amateur\n> radio transponders:\n>\n> - a Narrowband (NB) transponder with 250 kHz bandwidth and\n> - a Wideband   (WB) transponder with 8 MHz bandwidth for Digital Amateur\n> Television (DATV, DVB-S2 standard)\n>\n> The NB transponder is a bent-pipe, non-inverting, linear transponder\n> with AGC.\n>\n>\n> A LEILA-2 system, similar to LEILA flown on AMSAT OSCAR-40 (P3-D) will\n> be used for Traffic Control and Telemetry Beacons.\n> The mayor difference is, that this is a ground-based system which will\n> be installed at the Es'hailSat Satellite Control Center (SCC) near Doha\n> in Qatar.\n>\n> LEILA-2 will analyze the downlink power levels in the passband of the\n> NB-transponder and automatically generate a Siren to remark users to\n> decrease their uplink power.\n>\n> LEILA-2 is a joint development of AMSAT-DL's Achim Vollhardt DH2VA and\n> AMSAT-UK's Howard Long G6LVB.\n>\n> LEILA is an german acronym for \"LEIstungs Limit Anzeige\", which means:\n> Power Limit Indicator\n>\n>\n> The following video gives a first insight to the Es'hail-2 LEILA-2\n> hardware concept: https://youtu.be/v-9jVw-pK0A\n>\n>\n> 73s  Peter DB2OS, AMSAT-DL\n>\n>\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions \n> expressed\n> are solely those of the author, and do not reflect the official views of \n> AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb \n\n\n---\nThis email has been checked for viruses by Avast antivirus software.\nhttps://www.avast.com/antivirus\n\n",
    "attachments": []
}