Email Detail

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/KNHXDD44MS32IZTZYP7FUKSIFMVPOUHW/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "KNHXDD44MS32IZTZYP7FUKSIFMVPOUHW",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/KNHXDD44MS32IZTZYP7FUKSIFMVPOUHW/",
    "sender": {
        "address": "wb5rmg (a) somenet.net",
        "mailman_id": null,
        "emails": null
    },
    "sender_name": "Alan Sieg WB5RMG",
    "subject": "[amsat-bb] Re: \"Newbie\" Need's Help working AO-07",
    "date": "2008-12-31T03:27:22Z",
    "parent": null,
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/7FIRY3A3CDN4NJMWVBRAEBLBROMQVYO3/"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "N0FJP said:\n> I am new to working the Sats so if I am in need of \"directions\"\n> please feel free to set me in the right direction.\n>\n> With that said, I am having problems working AO-07 and the other SSB sats.\n>\n>I can copy stations vary well but I can't seem to keep on track with them.\n\nMarv,\nI can provide some direction ...\n - whether it is considered the 'right direction' remains to be seen.\nI was brought up in the 'old school' before CAT and HRD assisted tuning,\nso I'll describe the manual tuning mode I've used since way back.\n\nA couple of starting points to keep in mind:\n1. doppler affects both uplink and downlink, moreso the higher freq.\n2. you need hear yourself, anyone calling you back will be on your downlink.\n3. It is not considerate to 'sweep' your Tx around the band\n   looking for yourself - better to sweep your receiver.\n\nI'll have a table of 'un-doppler-d' transponder freqs, like this for VU-52:\n    up (LSB)   dn (USB)\n     ...        ...\n   435.260    145.290\n   435.250    145.900\n   435.240    145.910\n     ...        ...\n\nAs the pass starts, lets say I'll set Tx for 435.240 (LSB)...\nthen I'll set the Tx to CW and send a string of dits with the keyer.\nI'll tune around with the Rx until I hear my dits, and zero beat them.\nIn otherwords, tune Rx until the pitch goes down to nothing. Then I'll\nswitch Tx back to LSB and whistle, and slightly adjust Rx to perfectly match\nthe pitch of my whistle in the headset. Now as I call CQ, I can gradually\ntweak the Tx freq to keep the pitch normal so that I don't need to adj\nthe Rx. I try to keep the Rx coming out in the same place, so I'm only\ntrying to keep up with one knob (Tx)... When someone comes back, they may\ndrift across the band a bit, and I follow them (Rx) - assuming they are\nalso following themself. Then when it is my turn to Tx, I first whistle\nand tweak my Tx for that zero-beat of the pitch, and start talking...\n\nI guess I've had plenty of practice, as it comes easy for me.\nIf the other station is adjusting their Tx to keep a steady Rx freq,\nthen each of us only needs adjust the Tx freq along the way...\nAt least that's the way I learnt it, you know - back in the day.\n\nSometimes good practice for 'newbies' is to whistle to themselves,\nand get some practice finding their downlink and matching the tone.\n\nThis method works with manual tuning, others may have additional suggestions.\nProbably the guys using CAT have methods that better suit their needs.\nThe FM satellites obviously don't have the passband to waller'round in.\n\nMy radio is a Yaesu FT-736 and has the ability to lock the two VFOs once\nyou hit that zero-beat, but as short as the LEO passes are, I hardly ever\ndo that. Back in the day of AO-13, it was common to lock them and run up\nand down the passband looking for other stations. Find one, unlock for a\nquick zero-beat whistle, and lock it back... I do miss that bird...\n\nI don't get on a lot, and may only get one or two contacts per pass, but\nI prefer linear transponders over FM, so listen for me... I'll be the one\nwhistling alot. Looks like VO-52 is coming up AOS about 0340z for me.\n\n   73 for now, let us know how it goes.   /;^)\n-- \n  <- Licensed in 1976, WB5RMG = Alan Sieg * AMSAT#20554 ->\n  <- http://www.somenet.net * http://wb5rmg.somenet.net ->\n  <- http://www.linkedin.com/in/alansieg * My 'Day Job' ->\n\n",
    "attachments": []
}