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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/PNHQRDNHTBWNPRGGKJJCTK34C32HYVBE/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "20081207224928.OBWR12838.fed1rmmtao103.cox.net@fed1rmimpo02.cox.net",
    "message_id_hash": "PNHQRDNHTBWNPRGGKJJCTK34C32HYVBE",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/PNHQRDNHTBWNPRGGKJJCTK34C32HYVBE/",
    "sender": {
        "address": "ki6rrq (a) cox.net",
        "mailman_id": "4b9ac51aaea64b76a360b7c1e7a2b143",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/4b9ac51aaea64b76a360b7c1e7a2b143/emails/"
    },
    "sender_name": "ki6rrq",
    "subject": "[amsat-bb]  AMSAT-BB Digest AO-51 & SO-50 Yaesu VX-7R",
    "date": "2008-12-07T22:49:29Z",
    "parent": null,
    "children": [
        "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/5E6RD2QMX3BFQRFK7LFAOSR47MIW7AXX/"
    ],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I am currently using a Yaesu VX-7R (not the best for satellites, also using\nit because that's what I had)for the ISS and the FM birds.   I don't know if\nthis will help anyone but I found using the memory tune feature is very\nhelpful for working the Doppler, I don't know if your TH-F6A or many other\nHT's have it but I think it saves me a little time and hassle, when the\nreceive frequency is on 2 meters, anyway.  I know the FT-60's have it too.\n\nFor AO-51, I save a memory channel with the 2 meter receive freq and then\nadd the odd split or odd band split to the TX part of that memory and the pl\nwhere appropriate ...  Then when I use it out in the field on my Arrow II, I\nbring up the memory and then select the memory tuning mode, which I guess is\nsimilar to the VFO mode but keeps the TX side in place and allows me to tune\nthe RX frequency up and down to adjust for the Doppler and all I have to do\nis push the PTT when I make my call and the 2 meter TX frequency is\nautomatically used.  I don't even have to hold the radio, just get my\nfingers to the dial tuning knob, a few times during the pass.  (tripod\nmounted radio, per my qrz.com)    I haven't found its worth worrying about\nthe Doppler on the 2 meter side, since the radio only does 5k at a time.\nAfter trying numerous methods, I found this to be easiest, with everything\nelse you have to deal with on a mobile sat. operation; writing calls down,\nkeeping the antenna on the bird, testing for polarity alignment, dealing\nwith the dark, oh yea what was that guys call again... Its like an Apollo 13\nrescue mission to get it all done... except its always a fun ride... LOL, I\nneeded to simplify everything. \n\nBest Rich KI6RRQ  \n\n------------------------------\n\nMessage: 2\nDate: Sun, 7 Dec 2008 13:42:01 -0500\nFrom: \"Jim Leder\" <[email protected]>\nSubject: [amsat-bb] Re: Kenwood TH-F6A for AO-51 / SO-50??\nTo: \"Amsat\" <[email protected]>, \"Guy Brauning\"\n\t<[email protected]>\nMessage-ID: <547D1F8574B04DDC801A1FD71EB224FE@Toshibalaptop>\nContent-Type: text/plain; format=flowed; charset=\"iso-8859-1\";\n\treply-type=original\n\nI have used my Kenwood TH-F6A along with an Arrow antenna, and IMHO it works\n\njust fine. You do need to get it programmed right and you need to get used \nto switching between VFOs as you track the satellite and the Doppler effect \non frequency. It is NOT a full duplex radio like the W32A, and you will not \nbe able to hear yourself, but I have never felt that's been a problem.. I \nprogrammed mine to transmit on one VFO (uplink) and be able to receive on \nseveral different frequencies (downlink) on the other VFO. On the transmit \nVFO, the squelch is closed all the way, while on the receive VFO, it's open \nall the way. So, VFO A is set for uplink of 145.920 on memory channel 150 \nand on memory channels 152-153 I have them programmed for 435.290 and \n435.295 (downlink which is in VFO B). 154 is center frequency of 435.300 and\n\nof course 155 and 156 are set to 435.305 and 435.310. By switching between \nVFOs I can change downlink channels/frequencies to fit the Doppler shift. A \nlittle cumbersome, but that little radio works very well. You can follow a \nsimilar scheme on the QRP channel of AO51 (mine is 160-166) and SO50 (mine \nis 170-176-get the picture). I have made several contacts with it on the QRP\n\nchannels but have had no luck on SO50, which is a lot more difficult \nsatellite to hear.\n I'm using it because it's what I had, and I'm happy to say with a little \nuse and practice you quickly get the hang of it.\n Of course, either the W32A or the Kenwood TH-D7A do FULL duplex, but both \nare no longer in production. Hearing yourself is nice, but not necessary.\n\n     Jim Bob Buckeye\n            AKA\n  **** Jim Leder****\n    K8CXM since 1961\n IBM retiree since 1999\n\n",
    "attachments": []
}