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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/S5AW2OOWXOCHEYADWUKHCMOYW5RE3W4G/?format=api",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api",
    "message_id": "002901c94ec0$773020e0$0200a8c0@Tanguray",
    "message_id_hash": "S5AW2OOWXOCHEYADWUKHCMOYW5RE3W4G",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/BPTPJPOYK62QAVPE7C2NBM4KL3PRWDEV/?format=api",
    "sender": {
        "address": "rogerkola (a) aol.com",
        "mailman_id": "8323dbe496014835b5bd2be9b5ff6f66",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/8323dbe496014835b5bd2be9b5ff6f66/emails/?format=api"
    },
    "sender_name": "Roger Kolakowski",
    "subject": "[amsat-bb] Re: Help for Humber College Students with ISS Contact",
    "date": "2008-11-25T05:41:28Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/GTUXDX5VYTBF7ZADSBEXRDVTPAJRL57D/?format=api",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "I never realized there was a 166 mHz downlink on the ISS...I always look for\nit on the 143 and 145 mHz frequencies and can hear it with my 1980's vintage\nRegency scanner with it's original inside antenna.\n\nRoger\nWA1KAT\n\n\n----- Original Message -----\nFrom: \"Kelly Martin\" <[email protected]>\nTo: \"Ken Owen\" <[email protected]>\nCc: <[email protected]>; <[email protected]>\nSent: Monday, November 24, 2008 7:03 PM\nSubject: [amsat-bb] Re: Help for Humber College Students with ISS Contact\n\n\n> These are the people whose professor famously told the Toronto Star\n> said that only professional radio engineers had the knowledge and\n> competency to contact the ISS.  I wrote the professor a letter, but he\n> never replied.\n>\n> I suspect their main problem is that they're using an excessively\n> high-gain antenna, which means it's extremely directional and thus the\n> targeting has to be very precise.\n>\n> Also, it might help if they listened on the DOWNLINK frequency instead\n> of the UPLINK frequency.\n>\n> Kelly\n>\n>\n> On Mon, Nov 24, 2008 at 5:20 PM, Ken Owen <[email protected]> wrote:\n> > Hi folks:\n> >\n> > A student from Humber College (Toronto) has asked me several questions\n> > regarding contacting the ISS.  One has to do with receiving a beacon,\nand\n> > the other has to do with antenna polarization.  I've urged him to join\nAMSAT\n> > and get on the listserv, but in the mean time, I wonder if anyone can\nhelp\n> > him out with his questions.\n> >\n> > Please reply directly to him ([email protected]) if you can help.\n> >\n> > Thanks!\n> >\n> > Ken, N6KTH\n> >\n> >\n> >\n> > From: Paul Je [mailto:[email protected]]\n> > Sent: Monday, November 24, 2008 1:17 PM\n> > To: Ken Owen\n> > Subject: RE: ISS contact\n> >\n> > Say Ken, we've set up our primary station just fine, but I was wondering\nif\n> > I could ask for your advice.  Well, you see, we've tested the\ntransceiver\n> > that we have (the ICOM IC-V8000), and we can transmit and receive just\nfine\n> > with it on our circular-polarized HyGain 2m antenna.  Also, we did a\nVSWR\n> > test and our loss is minimal with the 75W transceiver that the ICOM\n> > produces.  Ok, so here's the problem.  Even with all the proper testing\n> > done, we still can't seem to pick up or hear the 166MHz beacon that the\nISS\n> > produces.\n> >\n> > My classmates and I are a bit worried/stressed out.  I mean, just on\nlast\n> > Friday, we did a test and someone drove at least 5km away from out\ncollege\n> > and heard us fine with the handheld radio he had.  We had a signal\nstrength\n> > of 3+ out of 5.  He could've drove out even further, but we felt that we\ndid\n> > enough testing to know that any attenuation losses were very minimal.\n> >\n> > Well, do you know what the problem could be?  Have you heard the beacon?\n> > What does it sound like?  Maybe we should delay or advance the rotor by\na\n> > few seconds?   We're using NOVA software, and it allows us to send our\n> > transmission a few seconds ahead or behind.\n> >\n> > Ok, so we have a circular polarized HyGain antenna hooked up to our\nYaesu\n> > G5500.  Uhm, this might sound dumb but do you know whether we should be\n> > right hand circular polarized or left hand circular polarized?  Is the\nISS\n> > right hand or left hand on 144.490MHz?\n> >\n> > I'm trying to research this, but I'm having the hardest time to find\nthis\n> > information out.  Oh, also, since our antenna is circular-polarized,\ndoes\n> > the way we set our antenna have an effect on our transmission?  I know\nthis\n> > sounds confusing, but let me explain:\n> >\n> > If you looked at our antenna from the front so that you could see all\nthe\n> > dipoles/elements both vertically and horizontally to your view, well,\nshould\n> > they be perfectly aligned with one set horizontal and one vertical?\nBoth\n> > the vertical and the horizontal are perfectly 90degrees to each other,\n> > however, instead of being a perfect cross to your view, the elements are\n> > more like an \"X\" to your point of view (even though both are perfectly\n> > 90degrees to each other).\n> >\n> > Well, hope to hear back from you.\n> >\n> > Paul\n> >\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\nprogram!\n> > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb\n> >\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\n",
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}