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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/77KAQYZCNQAX773IQE6ETCGCG7ZFDT26/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "[email protected]",
    "message_id_hash": "77KAQYZCNQAX773IQE6ETCGCG7ZFDT26",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/77KAQYZCNQAX773IQE6ETCGCG7ZFDT26/?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]  more poking around SSB satellites (16 August)",
    "date": "2008-08-17T19:14:38Z",
    "parent": null,
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hi!\n\nYesterday, I took my portable SSB satellite station (2 FT-817NDs\nwith Arrow Antennas dual-band Yagi) to a park here in Phoenix on\nthe DM33xp/DM43ap grid boundary:\n\nhttp://maps.google.com/maps?f=q&hl=en&geocode=&q=33+38.933+N+112+0.00+w&ie=UTF8&ll=33.811102,-112.000122&spn=2.040058,3.872681&t=h&z=8&iwloc=addr&om=0\n\nFor the time being, I consider this location my \"home QTH\" when\nworking satellites.  A nice open area, plus being right on 112\ndegrees West doesn't hurt.  I did not wake up early enough to try \nAO-7 during the morning passes, but I planned to try DO-64 (Delfi-C3) \nand VO-52 again in the late morning.  Later in the day, I tried an \nAO-7 pass to the east.  Mixed results, and a good day - other than \nthe 104F/40C heat and humidity. \n\nI first tried a high DO-64 pass at 1727-1741 UTC yesterday morning.\nAbout 3 minutes into the pass, I could clearly hear the CW beacon.\nI did not try to copy the telemetry, but did hear \"DELFI\" coming\nthrough - confirming I was listening to this satellite.  No S-meter \nmovement on my receiver, noticeably weaker than VO-52, but workable.\nI then tried to hear myself through the transponder.  Success!  \nAgain, signals through this satellite are weaker than VO-52, but \nfor my portable setup I do not need a preamp to hear anything.  I \nheard one other station, a W6, and then I proceeded to pick a spot \nto camp out and call CQ.  \n\nI set up so I would be on/around 145.910 MHz USB on the downlink.\nIt did not take long to hear myself transmitting through the \nsatellite.  I called CQ, and - unfortunately - only heard myself\nfor the remainder of the pass.  A suggestion... since AMSAT is\nnow distributing keps for this satellite in the weekly keps \ne-mails, why not put this satellite on the web site's pass-\nprediction utility?  I will definitely try for this satellite \nagain, hoping to make some contacts through it.  \n\nA few minutes later, VO-52 was coming by.  Again, a high pass,\nat 1750-1803 UTC, and I went to work.  Calling CQ so I could hear \nmyself around 145.910 MHz USB on the downlink, Ken N6KTH responded \na couple of minutes into the pass.  We had a nice chat, longer than \npossible on most FM satellite passes.  Ken - sorry if I was drifting\naround a bit; I was trying to hold my downlink steady and make any \ntweaks on my transmit frequency.  After working Ken, I moved up to \n145.915 MHz and called CQ for the remainder of the pass.  Glenn AA5PK \nfound me in the last couple of minutes of the pass.  We had a quick \nchat - the satellite was almost out of range for him, and I had about\n2 minutes left before I was out of range.  \n\nIn the late afternoon, I returned to the same location to try for AO-7\non a 20-degree eastern pass at 0042-0100 UTC.  I forgot that, with my\nportable setup, I need to look for AO-7 passes with high maximum \nelevation to hear it with my setup.  Last month, I was able to hear \nAO-7 passes with elevation above 40 degrees.  I know that a preamp \nmight help me in this area, but I'd rather take the time (and expense)\nto have computer control of at least my radios before looking for a \npreamp.  I will try AO-7 again, another time.  \n\nSome details on my FT-817NDs...  both have the TCXO module, both\nalso have the 500Hz CW filter (I also have an SSB filter at home,\nbut with only one filter slot it's more important to me to have \nthat CW filter in place), and I usually transmit at 5W.  I bought\nmy first FT-817ND in May 2004, and the second one 3 months ago \nwhen I decided that my AOR AR8200Mk2B receiver didn't tune SSB in\nsmall enough steps for my first attempts with the SSB satellites.  \nI run both of the radios from a 12V/20Ah gel-cell battery, or I \ncould use the internal NiMH battery packs in each radio (both at\n9.6V, 1400mAh in the older 817 and 2000mAh in the newer 817).  I\nhave been using the newer 817 as my transmit radio.  \n\nI'm getting comfortable enough with VO-52 and its powerful downlink, \nthat I will probably include VO-52 in my hamfest and other satellite \ndemonstrations I do.  DO-64 could also be on that list, once I make \nsome contacts through it and there are stations on those passes on a \nregular basis like VO-52.  I might continue my focus on FM satellites \nduring road trips, but when I'm not on the move I will try to add the \nSSB birds to my activities from unusual locations.  :-)  \n\n73!\n\n\n\nPatrick WD9EWK/VA7EWK\nhttp://www.wd9ewk.net/\n\n\n",
    "attachments": []
}