Talk:Indian Regional Navigation Satellite System

message: Recommend merging IRNSS-1E into this article along with the various other similar articles about the previous 4 satellites. There doesn't seem to be enough here to justify a stand alone article. Ad Orientem (talk) 03:41, 17 February 2014 (UTC)
thread_title:  Proposed merge with [[IRNSS-1E]] 

message: Prior content in this article duplicated one or more previously published sources. The material was copied from: http://timesofindia.indiatimes.com/home/science/How-Kargil-spurred-India-to-design-own-GPS/articleshow/33254691.cms. Copied or closely paraphrased material has been rewritten or removed and must not be restored, unless it is duly released under a compatible license. (For more information, please see "using copyrighted works from others" if you are not the copyright holder of this material, or "donating copyrighted materials" if you are.) For legal reasons, we cannot accept copyrighted text or images borrowed from other web sites or published material; such additions will be deleted. Contributors may use copyrighted publications as a source of information, but not as a source of sentences or phrases. Accordingly, the material may be rewritten, but only if it does not infringe on the copyright of the original or plagiarize from that source. Please see our guideline on non-free text for how to properly implement limited quotations of copyrighted text. Wikipedia takes copyright violations very seriously, and persistent violators will be blocked from editing. While we appreciate contributions, we must require all contributors to understand and comply with these policies. Thank you.  MER-C 12:10, 11 May 2014 (UTC)
thread_title:  Copyright problem removed 

message: The article (first paragraph) states: "The requirement of such a navigation system is driven because access to foreign government-controlled global navigation satellite systems is not guaranteed in hostile situations, as happened to the Indian military depending on American GPS during the Kargil War.[2]"
The U.s. has never denied access to GPS signals to anyone, ever. The cited source (Times of India) is obviously incorrect. This story that America denied GPS to India is repeated many times on the internet, but there is no apparent original source for the story.  InspectorVijay (talk) 13:03, 6 October 2015 (UTC)
thread_title:  Incorrect Information 

message: http://www.crazyengineers.com/threads/isros-irnss-the-desi-navigation-system-to-replace-american-gps.84301/
Is schedule slippage notable for Indian space systems? Hcobb (talk) 17:49, 23 October 2015 (UTC)
thread_title:  Delayed of course 

message: stuffin.space has a wonderful tool for real time tracking of all space objects. It can track all the satellites simultaneously. http://stuffin.space/?search=IRNSS
adding the link to the article Akash (talk) 13:50, 8 June 2016 (UTC)
thread_title:  Real time tracking. 

message: Hi, can you please explain why you remove wikilink from Indian Regional Navigation Satellite System page?  here. Thanks Spartacus! t@lk 15:15, 5 August 2016 (UTC)
replies: text: As explained in the edit summary: because of MOS:LINK. fgnievinski (talk) 15:18, 5 August 2016 (UTC)
thread_title:  Multiple wikilinks removal 

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thread_title:  External links modified 

message: In the "Accuracy" section there is a line "The GPS, for comparison, had a position accuracy of 20-30 m." I believe the GPS accuracy should be 15m without any augmentation and 3-5 with some kind of augmentation . --Abdul Jabbar 09:21, 20 June 2017 (UTC)
thread_title:  Accuracy Section 

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thread_title:  External links modified 

message: The article says, "In 2017 all rubidium atomic clocks on board IRNSS-1A failed, rendering the satellite redundant." I do not think that word means what you think it means.
A redundant satellite would be a spare, available for use in place of another satellite, in case the other one fails. In this case, IRNSS-1A has failed, so it cannot replace another satellite if the other one fails.
I think the correct word is "non-functional," or "malfunctioning," or "unusable." Would anyone object if I make that change? NCdave (talk) 22:46, 11 November 2017 (UTC)
thread_title:  "redundant"? 

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thread_title:  External links modified 

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thread_title:  External links modified (January 2018) 

message: I suggest the accuracy section to be updated in regards to comparison towards GPS, or remove the comparison completely.  The information is outdated. Considering the source is from 2008 and compared to civilian GPS, not military.
Per GPS.GOV, the accuracy is 4.9 meters and the military use dual frequency/band. Here is the source https://www.gps.gov/systems/gps/performance/accuracy/  — Preceding unsigned comment added by 2603:3003:3095:8000:59F3:B7AB:670E:A702 (talk) 18:25, 19 July 2019 (UTC)
thread_title:  Accuracy 2 

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thread_title:  A Commons file used on this page has been nominated for deletion 

message: The  section needs to be updated. — UnladenSwallow (talk) 02:54, 2 October 2019 (UTC)
thread_title:  Future developments 

message: The satellite is still working and isn't completely lost as is being implied in the wiki. Acc. to Annual Report 2019-20 of ISRO, the satellite is being used for communication, granted this is not the main purpose but the satellite is far from being defunct.
IMHO, I think it will be best to label the status as Partial Failure than a complete failure.
Source- Page 50
:cc , 
Shashpant (talk) 05:51, 4 March 2020 (UTC)
replies: text: I agree, though all three clocks on it have failed making it ineffective for PNT services apparently they have specifically re-purposed IRNSS-1A and are using it to relay short messages to receivers. Though it should be noted this location specific messaging service is part of NavIC from the beginning. Some references.
* https://timesofindia.indiatimes.com/home/science/three-atomic-clocks-of-desi-gps-satellites-stop-working/articleshow/59116886.cms
* https://www.unoosa.org/pdf/icg/2016/icg11/05.pdf (PDF: Pg 9, 10)
* Signal-in-Space ICD for Messaging Service IRNSS-1A (PDF) 
* https://www.unoosa.org/documents/pdf/icg/2018/icg13/wgb/wgb_18.pdf (PDF)
 Ohsin  07:04, 4 March 2020 (UTC)
replies: text: I don't see anything wrong in changing it to partial success as messaging service was part of NavIC. Just remember to mention it in remark section so that it'll be clear to audience. Cheers Brown Chocolate (talk) 12:25, 4 March 2020 (UTC)
thread_title:  1A - Partial Failure? 

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