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I look at the table of satellite launches but I see no way to tell which satellites are currently in orbit. How can I tell which satellites are currently in orbit? RHB100 (talk) 20:32, 10 August 2009 (UTC)[reply]
I see that PRN 05 and PRN 08 are currently missing. All other PRN's from 1 to 32 are listed and there does not appear to be any repeats. Yet I have heard that there are 31 not 30 satellites in orbit. RHB100 (talk) 22:09, 10 August 2009 (UTC)[reply]
Answer: Any info that you don't see you may be able to find through the external links. PRN 08 is currently assigned to SVN 38 (block IIA). PRN 05 used to be assigned to SVN 35 (block IIA) before SVN 35 was decommissioned. Then PRN 05 was assigned to the last launched satellite SVN 50 (block IIR-M). As satellites are frequently launched or decommissioned, the number "in orbit" changes from time to time, about 4 times so far this year. It is currently 31 although only 30 are currently set to "healthy." ----W. Kelley, USNO, 27 Aug 2009
Should this list be renamed and refocussed so that it centres on the satellites themselves rather than their launches, as was done with list of GOES satellites? --GW… 14:52, 18 August 2009 (UTC)[reply]
Amazingly Wikipedia doesn't have anything (I can find) on the GPS 2F series which is an $8 billion 12-satellite upgrade which will bring civilian accuracy to within 2 feet. I would start an article but I am (considerably) confused on the naming structure for satellite articles.Americasroof (talk) 16:04, 27 May 2010 (UTC)[reply]
I've reverted a user removing PRNs because "the satellite is [not] currently transmitting that PRN". I fail to see how removing historically relevant information benefits the article in any way. WP:RECENT suggests that articles should take a broad historical view and not focus on current or recent events. We don't simply remove information because it is not current - this is an encyclopaedia not a directory. --W. D. Graham 08:52, 25 July 2013 (UTC)[reply]
I'm curious if there's any interest in adding a list of the WAAS, EGNOS, MSAS and GAGAN satellites (PRNs 33-51) to this article. They could be considered part of the GPS satellite constellation and would answer questions I've seen on some forums regarding PRNs over 32. Jtrevor99 (talk) 02:48, 17 June 2014 (UTC)[reply]
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USA-96 appears as block IIA and as operational on the main table.
Then on the resume by blocks table, it says that block IIA has 0 operational satelites.
One of those is wrong.
Done: USA-96 is no longer operational, so both locations have been updated with its new status.@Phoenix7777: Thanks for adding the animation. I could not make sense of your note that talks about real orbits being "350 times denser". I suppose you mean that you are only sampling the orbital positions every few days instead of showing a continuous trajectory. Can you clarify? I have removed it in the meantime, as it can sound confusing to readers. — JFG talk 09:04, 19 October 2018 (UTC)[reply]
Done with "Samples of three GPS satellites' orbits over a 5-year period (2013 to 2018)". @Phoenix7777: Does it sound OK? I wanted to keep it simple to understand while not fudging the truth; the term "samples" seems to do the trick. — JFG talk 11:24, 1 November 2018 (UTC)[reply]
I don't know how you edit this, but USA-154 was decommissioned, source
from
