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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/UIRF2LCYTYUVJLMUDU4IY3CD7QGZTFSB/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "UIRF2LCYTYUVJLMUDU4IY3CD7QGZTFSB",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/XU4TQ7QNP4DM3CYJFVUD5YRDNJT7CYKY/",
    "sender": {
        "address": "kshaddrick (a) jetup.net",
        "mailman_id": "631e16f22254408cbccd52c16d608ede",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/631e16f22254408cbccd52c16d608ede/emails/"
    },
    "sender_name": "Kelley",
    "subject": "Re: [amsat-bb] Expectations...",
    "date": "2015-01-03T22:20:40Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/XU4TQ7QNP4DM3CYJFVUD5YRDNJT7CYKY/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "\nHi Henk,\n\nThanks for sharing some of your experiences, very helpful. I'm not \npurposely doing APRS, just packet. Although it was a lot of fun to \nbuild, I think my turnstile antenna is not sufficient to allow the 3 or \nmore digi's I would need to make an \"official\" contact. The bird is \nbusier than I thought it was.\n\nI decode about 5 or 6 stations per pass, I hear many many more that \ndon't decode. Many of the signals seem strong enough, but no decode. I'm \nusing a KPC-3+, perhaps the newer software/soundcard based systems are \nbetter at decoding.\n\nKelley - WØRK\n\nOn 1/3/2015 3:01 PM, PA3GUO wrote:\n> Hi Kelly,\n>\n> Regarding APRS via the ISS;\n>\n> A busy channel ...\n> When I use 100W into my 2x6 elements antenna (with doppler correction) I can always get over the ISS APRS station.\n> When lowering to 5W I get a problem, likely due to many many stations in Europe all transmitting at the same time.\n> Note: I don't run often with 100W, in fact I rarely use APRS at all.\n>\n> So, it's a busy channel, see also here: http://www.ariss.net/index2.cgi\n> 00:00:57:07 : WB3FKP]CQ,RS0ISS*,qAR,KB3KBR-15::K8OE :35F here in Alden , PA - UR 599 today via ISS !\n> 00:00:57:10 : W3MAT]CQ,RS0ISS*,qAR,KB3KBR-15::WB3FKP :QSL Good Copy\n> 00:00:57:12 : WB3FKP]CQ,RS0ISS*,qAR,KB3KBR-15::Heard :K0HCV-9,NX9G,WB8JAY,W3MAT,K8OE,KB1CHU\n> That is 3 transmissions in 5 seconds (up and downlink means 6 transmissions in 5 seconds I believe).\n> But it does show the satellite (ISS) hears MANY stations at the same time.\n> Watch the footprint, pick your time, eg when it is over a more quiet area but still in range for you.\n>\n> Antennas:\n> The ISS turns and its construction sometimes blocks/shield the antenna's.\n> You can see that during school contacts, when APRS and Voice run simultanious:\n> https://www.youtube.com/watch?v=RfNM3bzRW_E\n> Signal strengths varies independently on the 2 stations (watch the waterfall).\n> In fact I believe that compared to ~8 years ago, the fading due to the ISS construction itself has increased enormous.\n>\n> A lot of fun though!\n> Even if nobody responds, if you hear your packet re-transmitted by ISS, you 'have been in space' already !!\n>\n> Success & have fun!\n> Henk, PA3GUO\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions expressed\n> are solely those of the author, and do not reflect the official views of AMSAT-NA.\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>\n\n\n",
    "attachments": []
}