Talk:United States Space Surveillance Network

message: I just fixed the spelling for the Molniya satellite reference. However I have a question about the sentence: "Distant Molniya orbiting satellites are often detected in elliptical orbits that surpass the moon and back (245,000 miles out)."  I just read up on the Molniya orbits, seems to me that they are typically out to an apogee distance of around 20,000 miles and a perigee of about 700 miles (for a typical 12-hour Molniya orbit).  should the moon-distance comment be changed?  Lanephil (talk) 18:36, 8 October 2008 (UTC)
replies: text: You're right, Molniya orbits do not go beyond the Moon.  In fact very few satellites go that far.  I deleted teh whole sentence. RogerBurk (talk) 02:39, 22 August 2023 (UTC)
thread_title: MOLYNIA VERSUS MOLNIYA

message: I'm not sure whether SPACETRACK is an old name for the same system, if it's a specific subset of the United States Space Surveillance Network, or if it's an independent system.  It would be nice to clarify that and merge if necessary.  There does seem to be a lot of historical material in the SPACETRACK article which could just as well belong here; perhaps it would be useful to have a central history article if these systems are not related.  I wasn't able to find a lot of information on the web terribly easily, but here are the best links I found so far:
* http://www.fas.org/spp/military/program/track/overview.htm 
* http://www.globalsecurity.org/space/systems/track.htm
-- Beland 00:26, 3 July 2007 (UTC)
thread_title: SPACETRACK

message: Two satellites collided in February 2009, one a functioning Iridium US satellite, the other, a defunct Russian one. There seems to be no indication that this network knew that it would happen. Why not? Student7 (talk) 02:00, 16 February 2009 (UTC)
thread_title: Satellites collide

message: I have posted a revision of the history of the FPS-17 radars, making some major corrections to long-standing errors. The Diyarbakir radar was the first, not the Laredo radar. This is now quite clear from multiple sources. This, in turn, changes the length of time it took to field the first FPS-17, 9 months for the Diyarbakir site (as hard as that is to believe these days) and the Laredo site was the one that came in less than 2 years. The Laredo radar was not based at Laredo AFB (Air Force Base), the large training base, but a small site, Laredo AFS (Air Force Station). It also had some minor variations to its name at different times in its lifetime. I also have added a bit more technical detail about the radars and explanation that the three FPS-17s were not identical (handy info if you look at photos of the sites & wonder why the quantity of antennas aren't the same). I believe the story about Laredo being the first originated from documents of the period when the existence of Diyarbakir was still classified.Hwhall (talk) 21:47, 17 July 2012 (UTC)
thread_title:  FPS-17 History Changes 

message: Made minor edits to place the radar in past tense, and added sentence to say the site closed in 1997. There are probably some more changes needed. For one thing, the antenna size is definitely incorrect. Also, I believe the "variable focus" information to be incorrect, and I think I have traced the original reference for the claim (which is not in any of the current footnotes).Hwhall (talk) 18:22, 18 July 2012 (UTC)
thread_title:  FPS-79 Changes 

message: GEODSS uses "low-light level TV cameras" for detectors.  I suspect much fainter objects could be detected, and at better angular resolution, if these were replaced with modern sensors -- such as this consumer-grade 41-megapixel CMOS sensor. 
To drive the point home, detecting fainter objects means having awareness of smaller bits of dangerous space debris that are currently going undetected.  71.219.204.88 (talk) 13:45, 27 August 2013 (UTC)
thread_title:  Improving on aging technology 

message: The C-band radar in Antigua is to be relocated to Naval Communication Station Harold E. Holt in Exmouth, Western Australia. There is no mention of either site in this article. 203.9.185.136 (talk) 01:47, 19 December 2013 (UTC)
thread_title:  Antigua and Australia 

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thread_title:  External links modified