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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/CZPMEI5TPD2MID3YYJJEXN3ZFQCVXGML/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "CAN6TEUfPMEc7kiu54zrn4FtEUDxvw+C0rhhfoLfjkVM0=AxL7A@mail.gmail.com",
    "message_id_hash": "CZPMEI5TPD2MID3YYJJEXN3ZFQCVXGML",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/NCRVUP2NPZ6TQSWZTUYUSCMWLU4NGWZP/?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": "Re: [amsat-bb] Antennas for AO-92 23cm",
    "date": "2018-10-08T16:55:02Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/NCRVUP2NPZ6TQSWZTUYUSCMWLU4NGWZP/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Ron,\n\nThere has been a wide variety of antennas used for AO-92's 1.2 GHz uplink.\nSome are using a 16-element Comet CYA-1216E sold in various ham stores:\n\nhttp://www.cometantenna.com/wp-content/uploads/2013/09/CYA-1216E-inst-sheet.pdf\n\nOthers have gone with Yagis from China via eBay. The 10-element Yagi has\nbeen popular:\n\nhttps://www.ebay.com/itm/1-2GHz-12DBi-GSM-Yagi-Directional-Antenna-1200MHz-N-Female-Connector-22cm-cable-/161112874419\n\nThere is also a smaller 5-element Yagi available on eBay:\n\nhttps://www.ebay.com/itm/1-2GHz-Stainless-Steel-5-Elements-CCTV-Wireless-transmitter-Yagi-Antenna-SMA-M/321386720435\n?\n\nSome are using other larger Yagis, and K5ND has used a 23cm helix:\n\nhttps://www.k5nd.net/2018/04/satellite-qso-l-band-ao-92/\n\nIf you want to build a Yagi, there are WA5VJB designs for smaller (4 to\n10 elements):\n\nhttp://www.n5dux.com/ham/files/pdf/D-STAR%20Antennas.pdf\n\nOr for something larger:\n\nhttp://wa5vjb.com/references/LBand-Yagis-for-AMSAT.pdf\n\nMost of the time on the L/V passes, I'm using a 5-element Comet CY-1205\nYagi sitting on top of my Alinco DJ-G7T. Between the 1W from the HT and\nthis Yagi, which was sold in the late 1980s and into the 1990s, I have\ndone OK with AO-92 L/V. I have also used the 10-element Yagi from eBay\nwith my DJ-G7T.\n\nAs for power, for those using HTs like the DJ-G7T or an older HT like\nthe Icom IC-T81A, the power level is 1W. With a mobile radio or the\nlarger satellite-ready transceivers, 10W. There may be some who have\nmore than 10W going out to the antennas on 1.2 GHz.\n\nA good discussion about working AO-92's L/V mode has been taking place on\na thread in QRZ's satellite forum. Once you get through the first part of\nthe thread, you can see this discussion, along with pictures.\n\nhttps://forums.qrz.com/index.php?threads/wheres-ao-92.614536/\n\n73!\n\n\n\n\n\nPatrick WD9EWK/VA7EWK\nhttp://www.wd9ewk.net/\nTwitter: @WD9EWK or http://twitter.com/WD9EWK\n\n\n\nOn Mon, Oct 8, 2018 at 2:42 PM Ronald G. Parsons <[email protected]> wrote:\n\n> What antennas are being used for AO-92 23cm? Is polarization changing a\n> problem. How much uplink power is required?\n>\n> Ron W5RKN\n>\n>\n",
    "attachments": []
}