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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/RK5QSNRLT2Z2JN3OOOCZRF5235W52TGV/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "RK5QSNRLT2Z2JN3OOOCZRF5235W52TGV",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/YFA64U4D6PVSXGA2GBI7G5C3JDWBJFOU/",
    "sender": {
        "address": "k6vug (a) sbcglobal.net",
        "mailman_id": "37fd9aee884c4835a5c51104b6295d3a",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/37fd9aee884c4835a5c51104b6295d3a/emails/"
    },
    "sender_name": "[email protected]",
    "subject": "Re: [amsat-bb] Operating SSB sats",
    "date": "2019-02-06T18:43:39Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/AJLGYOM4BGXK3NOLQ3PI6IJR6HQKYDRF/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": " Devin, I assumed that was not the case because the calling station's tone did not change between CQs or during the transmission, but only changed AFTER I had responded.\n- Umesh\n\n\n    On Wednesday, February 6, 2019, 10:10:00 AM PST, Devin L. Ganger <[email protected]> wrote:  \n \n Could this be related to the fact that some radios cannot change the VFO that is being actively transmitted on?\n\n\n--\nDevin L. Ganger (WA7DLG)\nemail: [email protected]\nweb: Devin on Earth\ncell: +1 425.239.2575\n\n> -----Original Message-----\n> From: AMSAT-BB <[email protected]> On Behalf Of\n> [email protected]\n> Sent: Wednesday, February 6, 2019 9:42 AM\n> To: AMSAT BB <[email protected]>\n> Subject: [amsat-bb] Operating SSB sats\n> \n> Good Morning All,\n> I'd like to understand something that seems to be happening with SSB birds.\n> \n> I realize that they are two kinds of operators - one that has a computer\n> controlled station and one that tunes manually, and I respect both\n> types.  The following observation is about two computer controlled stations\n> working via a SSB satellite -\n> \n> (a) My station is computer controlled (SatPC32 or HRD) and can hear myself\n> on the downlink throughout the pass.  I can also go up or down the pass band\n> and still hear myself without needing to retune the uplink.   It is pretty rock\n> solid, almost like HF operation.\n> \n> (b) Sometimes I hear a station calling CQ and it remains on the same\n> frequency during successive CQs, so I'm guessing their station is also\n> computer controlled.  I can tune in and stay on their calling frequency.\n> \n> (c) However, when I can respond, it seems they have to tune their downlink\n> a bit to hear me well.  So when they come back to my response, they are a\n> bit off-frequency (about 300Hz) and sound like Mickey Mouse, until I retune\n> the downlink to hear them well again.  This keeps happening throughout the\n> QSO.\n> \n> (d) This \"drifting\" happens only with some stations calling CQ and not\n> everyone.\n> \n> Considering both stations are computer controlled at each end, I'm trying to\n> understand if I'm doing anything wrong/incorrect.  Learning to operate SSB\n> sats has been humbling as well as exciting, I'd appreciate any pointers for this\n> situation. Thanks in advance.\n> \n> \n> 73!\n> Umesh\n> k6vug\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 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": []
}