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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/OQGTAVMW7HNBJLN53WL4OFEGDHKXRM7F/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "CAK2SEyt1VmdcLDwWR0-bjK-WMgNKYV=EZuh24Fh0Z_ZztHyNtw@mail.gmail.com",
    "message_id_hash": "OQGTAVMW7HNBJLN53WL4OFEGDHKXRM7F",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/3GOFYPNUYUOMT2M4WHGROCIZXJBABFF5/",
    "sender": {
        "address": "goody.k3ng (a) gmail.com",
        "mailman_id": "b2b23a04931e4e3e82ba1d7fb5eb0210",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/b2b23a04931e4e3e82ba1d7fb5eb0210/emails/"
    },
    "sender_name": "Goody K3NG",
    "subject": "[amsat-bb] Re: Noob Questions",
    "date": "2014-03-30T01:53:09Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/3GOFYPNUYUOMT2M4WHGROCIZXJBABFF5/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Thanks for the information!  (I also got several personal emails from folks\nwith information.  This list is great.)\n\nBefore I looked at these antennas I was actually going to make my own\nbeams, but with work, the honeydo list and less free time than ever, I\nfigured I'd just bite the bullet and buy the rest of my setup.  Point taken\non the circular polarization.  I heard about the switching relays but\ndidn't give it much thought.\n\n\nOn Sat, Mar 29, 2014 at 2:03 PM, Kevin M <[email protected]> wrote:\n\n> Could someone tell me what the \"top 10\" SSB/CW (non-FM only) birds are that\n> are operational and most popular these days?\n> Sorry, but it doesn't get to 10.... there are only four operational.\n>\n>\n> FO-29 - JAS 2\n>\n> Uplink: 145.900 - 146.000 MHz\n> Downlink: 435.800 - 435.900 MHz (inverted)\n> Beacon: 435.795 MHz 12WPM with CW message\n>\n> AO-7 - OSCAR 7 Mode B\n>\n> Uplink: 432.125 - 432.175 MHz\n> Downlink: 145.975 - 145.925 MHz (inverted)\n> Beacon: 145.972 MHz\n>\n> VO-52 - HAMSAT\n>\n> Uplink: 435.225 to 435.275 MHz LSB/CW\n> Downlink: 145.875 to 145.925 MHz USB/CW (inverted)\n> Beacon: 145.860 MHz 12WPM with CW message\n>\n> AO-73 - Funcube-1\n>\n> Uplink:  435.160 - 435.140 MHz LSB/CW\n> Downlink:  145.950 - 145.970 MHz USB/CW (inverted)\n> Beacon: 145.935 MHz\n> transponder active when in eclipse\n>\n>\n> My recommendation would be to spend less on the beams and more on feedline\n> and preamps. Those are circular polarized antennas... without wiring up\n> relays to switch directions, you are better off just having a single\n> polarity. It's my understanding from ops that DO have switching CP that you\n> won't know from one pass to the next whether the bird will be RHCP or LHCP\n> relative to your location.\n> http://sv1bsx.50webs.com/antenna-pol/polarization.html\n>\n> I am about to put up a couple of used Cushcraft beams and I consider it a\n> bit of overkill myself; an A430-11S and an A144-10S. I plan to mount one\n> vertical and the other horizontal to help with desense separation. I was\n> originally working AO-7, FO-29 and VU-52 with a couple homebrew antennas\n> tilted about 20 degrees on a TV rotor; 7 elements on UHF and a 2m 'IO'\n> antenna... and NO preamps. The extra gain of the Cushcraft antennas will be\n> nice for low horizon passes, but I will definitely need the AZ-EL rotor\n> with that much gain... and with the preamps, I should be able to hear about\n> anything.\n>\n> I would recommend Davis Buryflex 9913F or maybe LMR-400 for feedline...\n> However at 50 feet, if you have preamps, RG-213 would be just fine. I plan\n> to mimic the preamp installation of KB5WIA... I got one of those cases\n> cheap from MCM Electronics and picked up some used ARR preamps like he has.\n> (25 watt transmit limit, but that is PLENTY! In fact, it's probably TOO\n> much.) I also got a couple of MFJ diplexers to add to each feedline before\n> the preamp to filter out the other band. But if you do add preamps, go with\n> Davis Buryflex between the antennas and preamps... that is where you will\n> lose receive signal.\n>\n>\n> http://kb5wia.blogspot.com/2011_01_01_archive.html\n>\n> Good luck with the frankenrotor... that looks pretty cool! I was lucky\n> enough to find a used 5400B... I just hope it doesn't have any problems.\n> Feel free to e-mail me for any details like the case, homebrew antenna\n> plans, etc.\n>\n> 73,\n>\n> Kevin N4UFO\n> [email protected]\n>\n>\n>\n> ------------------------------------------------------------------\n> \"Control is the need of the fearful mind. Trust is the need of the\n> courageous heart.\"\n> _______________________________________________\n> Sent via [email protected]. Opinions expressed are those of the author.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n>\n",
    "attachments": []
}