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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/QXVZRSGIFNRNS262WPDOH23TRTLHOLXE/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "CAN6TEUdME0MTVJPFaY4Ux6EKH=CPGBNd4Abj8ugHW4AYkdogkA@mail.gmail.com",
    "message_id_hash": "QXVZRSGIFNRNS262WPDOH23TRTLHOLXE",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/RHWLCVKDU6VJNQHVGRLG4P7WUC3NQTY6/?format=api",
    "sender": {
        "address": "amsat-bb (a) wd9ewk.net",
        "mailman_id": "21664df01bef4757931b7cdb42a9e768",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/21664df01bef4757931b7cdb42a9e768/emails/?format=api"
    },
    "sender_name": "Patrick STODDARD (WD9EWK/VA7EWK)",
    "subject": "[amsat-bb] Re: Active FM Sats",
    "date": "2011-07-05T15:43:01Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/WASPJJZXG66PFU3XTLRIMLY6VV5LPPI5/?format=api",
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IGRY7IRCSHSVOZFFWCPFG5TNBJLN5WVH/?format=api"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hi!\n\n> Show me an all-mode HT that retails for the same sort of price and is the\n> same sort of size as an FM HT and I might be interested.  Otherwise, to\n> get UHF and VHF SSB I'm stuck with an inconveniently large radio which\n> is only really useful for the twenty minutes a day that a satellite is\n> overhead.\n\nAn all-mode HT.... doesn't exist at this time.  Probably the closest you get\nin an HT would be a TH-F6/TH-F7 with its all-mode receiver, but still an FM\ntransmitter.  You could attempt transmitting CW by keying that transmitter,\nbut it's not ideal with the 5 kHz tuning steps at FM on that radio (SSB\ntuning steps on a TH-F6/TH-F7 can go as small as 33 Hz) and no\nprovision for computer control.  Otherwise, an FT-817 gets close to the\nHT size, is an all-mode transceiver at HF and 6m as well as 2m and\n70cm, and would qualify as a radio that can be used more than \"twenty\nminutes a day that a satellite is overhead.\"  It does cost more than an\nFM HT, but FT-817s should be available on the secondhand market\nas they have been in production for a decade.  Even two FT-817s as\na portable all-mode full-duplex satellite station are not what I - or\nmany - would consider \"inconveniently large\".  If you prefer computer\ncontrol, the 817s have Yaesu's CAT port to allow for that.\n\n> Not to mention the difficulty involved in tuning the radio and aiming the\n> antenna.  Doesn't the Doppler shift mean you need to constantly\n> retune?  How do you manage to do that, key the mike and point the\n> aerial, *and* have enough brainpower left to make a contact?\n\nYou are having to make minor adjustments to your frequency - or\nfrequencies - when working SSB or CW via satellite.  If you follow the\nso-called One True Rule, you're making the adjustments to one of\nthe two frequencies (usually the higher of the two frequencies).\nEveryone had to work SSB/CW via satellite this way in the past,\nbefore the advent of computer-controlled stations, and it is still an\noption today even if some (many?) discourage it.\n\nIf you've worked FM satellites, you already know about the \"key the\nmike and point the aerial\" part.  Then just focus on the QSO in\nprogress.  Don't try to remember everyone you worked - leave that\non an audio recorder, or recorder app for a mobile phone or iPod\ntype of device or laptop/netbook, and play it back later to update\nyour log.\n\nPedro EB4DKA has posted a lot of useful information for working\nSSB via satellite.  I read the writeups and watched the videos as I\nstarted out on the SSB birds.  I don't operate using a mobile setup\nlike Pedro does, but with one directional antenna (an Elk 2m/70cm\nlog periodic) through a diplexer to my two-radio setup.  I've\nuploaded some videos working those satellites at:\n\nhttp://www.youtube.com/va7ewk\n\nI used both of my FT-817NDs on the SSB passes shown in these\nvideos, but on occasion swap out the 817 I use as the receiver\nand put my TH-F6A in its place.\n\n73!\n\n\n\n\n\n\nPatrick WD9EWK/VA7EWK\nhttp://www.wd9ewk.net/\n\n",
    "attachments": []
}