Email Detail
Show an email
GET /hyperkitty/api/list/[email protected]/email/IU4GVL7ZVEDDQ2AH3AUGJW4GMTV7YBWE/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/IU4GVL7ZVEDDQ2AH3AUGJW4GMTV7YBWE/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "CACyhQtS6ZswRrgrC-17JbuKxX2rAOAUHi-n9k84C4FDwf7qaaw@mail.gmail.com", "message_id_hash": "IU4GVL7ZVEDDQ2AH3AUGJW4GMTV7YBWE", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/6ODGEPCKMQ5FEHLUS4J6A473GF3NNYYG/", "sender": { "address": "hill.charles.robert (a) gmail.com", "mailman_id": "9a4d8ca588794932b63ad1aaf6eeb243", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/9a4d8ca588794932b63ad1aaf6eeb243/emails/" }, "sender_name": "Robb Hill", "subject": "Re: [amsat-bb] Possible KMS-4 Radio Reception w/ video", "date": "2016-02-12T19:28:03Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/WBOHC72TY76ZOIQIFQHHYOLGK3YJHAXX/", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/46Z4G5H2725YKR5W74DK7C4WGCJDQU4S/" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Excellent approach. If it is transmitting I could see it being detected\njust this way. Including what you called 'peer review'... Essentially\nfinding a signal with a Doppler profile that cannot be attributed.\n\nDo you have more plans to monitor passes? Can you monitor on 26mhz? On\nprevious launches they mentioned that freq as well.\n\n-Robb\nKB3RBA\nOn 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 had\n> not put it out there, I would have always wondered if I had found 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 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 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 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 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 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. 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": [] }