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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/46Z4G5H2725YKR5W74DK7C4WGCJDQU4S/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "CAJCSnObTUbHxW=t8sU5DDuDFyCXXp_3oGii=oq-+NOTJOOfPmA@mail.gmail.com", "message_id_hash": "46Z4G5H2725YKR5W74DK7C4WGCJDQU4S", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/6ODGEPCKMQ5FEHLUS4J6A473GF3NNYYG/?format=api", "sender": { "address": "scott23192 (a) gmail.com", "mailman_id": "120e10e05ba14969a11da0a96d21e355", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/120e10e05ba14969a11da0a96d21e355/emails/?format=api" }, "sender_name": "Scott", "subject": "Re: [amsat-bb] Possible KMS-4 Radio Reception w/ video", "date": "2016-02-13T15:52:03Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IU4GVL7ZVEDDQ2AH3AUGJW4GMTV7YBWE/?format=api", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Hi Robb. Yes, I'll continue to monitor - don't have another good pass\nuntil tomorrow night and I'll take that opportunity to watch the 26 MHz\narea.\n\nSince my initial (false alarm) post, I had one other pass where nothing was\nseen around 465 MHz. So, thanks very much for your frequency\nrecommendation!\n\n====================================================================\n\nOn Fri, Feb 12, 2016 at 2:28 PM, Robb Hill <[email protected]>\nwrote:\n\n> Excellent approach. If it is transmitting I could see it being detected\n> just this way. Including what you called 'peer review'... Essentially\n> finding a signal with a Doppler profile that cannot be attributed.\n>\n> Do you have more plans to monitor passes? Can you monitor on 26mhz? On\n> previous launches they mentioned that freq as well.\n>\n> -Robb\n> KB3RBA\n> On Feb 12, 2016 9:24 AM, \"Scott\" <[email protected]> wrote:\n>\n> > THANK YOU!!!\n> >\n> > Thank God for peer review. Sorry for the false alarm, but I guess if I\n> had\n> > not put it out there, I would have always wondered if I had found\n> something\n> > cool.\n> >\n> >\n> > ===============================================================\n> >\n> > On Fri, Feb 12, 2016 at 5:51 AM, Nico Janssen <[email protected]> wrote:\n> >\n> > > Scott,\n> > >\n> > > That signal was the A-DCS service downlink on 465.9875 MHz from Metop-A\n> > > (object 29499, 2006-044A).\n> > >\n> > > See also: http://www.wmo-sat.info/oscar/satellites/view/306\n> > >\n> > > 73,\n> > > Nico PA0DLO\n> > >\n> > >\n> > > On 12-02-16 03:32, Scott wrote:\n> > >\n> > >> At approximately 0111 UTC 12-Feb-2016, I was monitoring a wide\n> spectrum\n> > in\n> > >> the area of 460 Mhz in hopes of seeing a signal with doppler movement\n> > that\n> > >> might correspond to the TLE track of the KMS-4 satellite launched by\n> > North\n> > >> Korea.\n> > >>\n> > >> A very strong signal appeared up near 465.985 and tracked as you would\n> > >> expect. Since the signal strength and doppler movement correlated\n> > nicely\n> > >> to the track on Orbitron, I suppose there is a decent chance that I\n> was\n> > >> actually receiving KMS-4.\n> > >>\n> > >> Naturally I forgot to record the IF until well through the pass, but I\n> > >> don't really expect to be able to decode the signal anyway. I'm not\n> > even\n> > >> sure if there was anything but a carrier, to be honest.\n> > >>\n> > >> On the outside chance that I did see anything on this pass, I was\n> > >> recording\n> > >> the screen and have uploaded the video to YouTube. Orbitron is very\n> > small\n> > >> on the right side as I wanted to have as much area as possible to\n> watch\n> > >> for\n> > >> a signal in HDSDR.\n> > >>\n> > >> The max elevation on the pass was 55 degrees. Antenna was a fixed,\n> > >> omni-directional QFH built for 432 Mhz. The radio was the SDRPlay\n> RSP.\n> > >>\n> > >> If anyone would like to see what the signal looked & sounded like, the\n> > >> video is at: https://youtu.be/9JiEyUM-8U4 (please jump to the 4:40\n> > mark\n> > >> where the signal first appears)\n> > >>\n> > >> Oh, and sorry about the manual tuning... not knowing the frequency\n> > >> beforehand, I did not have the software setup to track the doppler\n> > >> automatically.\n> > >>\n> > >> 73!\n> > >>\n> > >> -Scott, K4KDR\n> > >> Montpelier, VA USA\n> > >> _______________________________________________\n> > >> Sent via [email protected]. AMSAT-NA makes this open forum available\n> > >> to all interested persons worldwide without requiring membership.\n> > >> Opinions expressed\n> > >> are solely those of the author, and do not reflect the official views\n> of\n> > >> AMSAT-NA.\n> > >> Not an AMSAT-NA member? Join now to support the amateur satellite\n> > program!\n> > >> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n> > >>\n> > >\n> > >\n> > _______________________________________________\n> > Sent via [email protected]. AMSAT-NA makes this open forum available\n> > to all interested persons worldwide without requiring membership.\n> Opinions\n> > expressed\n> > are solely those of the author, and do not reflect the official views of\n> > AMSAT-NA.\n> > Not an AMSAT-NA member? Join now to support the amateur satellite\n> program!\n> > Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n> >\n> _______________________________________________\n> Sent via [email protected]. AMSAT-NA makes this open forum available\n> to all interested persons worldwide without requiring membership. Opinions\n> expressed\n> are solely those of the author, and do not reflect the official views of\n> AMSAT-NA.\n> Not an AMSAT-NA member? Join now to support the amateur satellite program!\n> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb\n>\n", "attachments": [] }