Talk:Galileo (satellite navigation)

This is the talk page for discussing improvements to the Galileo (satellite navigation) article.
This is not a forum for general discussion of the article's subject.

Put new text under old text. Click here to start a new topic.
New to Wikipedia? Welcome! Learn to edit; get help.

Article policies

Find sources: Google (books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL

Archives: Index, 1: 30 days

Spaceflight High‑importance

	Spaceflight portal This article is within the scope of WikiProject Spaceflight, a collaborative effort to improve the coverage of spaceflight on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.SpaceflightWikipedia:WikiProject SpaceflightTemplate:WikiProject Spaceflightspaceflight articles
High	This article has been rated as High-importance on the project's importance scale.

Electronics Mid‑importance

	Electronics portal This article is part of WikiProject Electronics, an attempt to provide a standard approach to writing articles about electronics on Wikipedia. If you would like to participate, you can choose to edit the article attached to this page, or visit the project page, where you can join the project and see a list of open tasks. Leave messages at the project talk pageElectronicsWikipedia:WikiProject ElectronicsTemplate:WikiProject Electronicselectronic articles
Mid	This article has been rated as Mid-importance on the project's importance scale.

Aviation

This article is within the scope of the Aviation WikiProject. If you would like to participate, please visit the project page, where you can join the project and see lists of open tasks and task forces. To use this banner, please see the full instructions.AviationWikipedia:WikiProject AviationTemplate:WikiProject Aviationaviation articles

This article has not yet been checked against the criteria for B-class status:
Referencing and citation: not checked Coverage and accuracy: not checked Structure: not checked Grammar and style: not checked Supporting materials: not checked	To fill out this checklist, please add the following code to the template call: \| b1<!--Referencing and citation--> = <yes/no> \| b2<!--Coverage and accuracy --> = <yes/no> \| b3<!--Structure --> = <yes/no> \| b4<!--Grammar and style --> = <yes/no> \| b5<!--Supporting materials --> = <yes/no> assessing the article against each criterion.

Systems Mid‑importance

	Systems science portal This article is within the scope of WikiProject Systems, which collaborates on articles related to systems and systems science.SystemsWikipedia:WikiProject SystemsTemplate:WikiProject SystemsSystems articles
Mid	This article has been rated as Mid-importance on the project's importance scale.
	This article is not associated with a particular field. Fields are listed on the template page.

Transport: Maritime

	Transport portal This article is within the scope of WikiProject Transport, a collaborative effort to improve the coverage of articles related to Transport on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.TransportWikipedia:WikiProject TransportTemplate:WikiProject TransportTransport articles
???	This article has not yet received a rating on the project's importance scale.
	This article is supported by the Maritime task force (assessed as Mid-importance).

European Union Mid‑importance

	European Union portal This article is within the scope of WikiProject European Union, a collaborative effort to improve the coverage of the European Union on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.European UnionWikipedia:WikiProject European UnionTemplate:WikiProject European UnionEuropean Union articles
Mid	This article has been rated as Mid-importance on the project's importance scale.

Europe: ESA High‑importance

	Europe portal This article is within the scope of WikiProject Europe, an effort to build a comprehensive and detailed guide to European topics of a cross-border nature on Wikipedia.EuropeWikipedia:WikiProject EuropeTemplate:WikiProject EuropeEurope articles
High	This article has been rated as High-importance on the project's importance scale.
	This article is supported by ESA task force (assessed as Top-importance).

Legal issues

Two issues -

1) There was some talk of blocking GPS in Europe, to force users to pay a fee for using Galileo. Blocking a navigational system in peace time is iffy in law.

That sounds highly unlikely, probably was a bored journalist or politician making that claim. technically and politically/economically not viable.

2) If a navigational aid is being used by one side in a war, even if it is being provided by a third party, it is a legitimate target for the other side. This goes back to precendents regarding lighthouses which date back beyond the Napoleonic wars. If one side is using the Galileo system for targeting weapons, and the administrators of the system refuse to block this, then the system become a legitimate target. That is one reason why the US reserves the right to turn the GPS system off (partially or otherwise).

This means that in the event of war, Galileo may have to be turned off (probably partially). Otherwise a party being attacked by weapons guided by it may try to turn it off the hard way. ASAT is getting easier and cheaper all the time....

EGNOS

The article says that EGNOS "is a system of satellites and ground stations designed to increase the accuracy of the current GPS and GLONASS in Europe." Does it have anything to do with Galileo? If not, that sentence should be deleted.

No, EGNOS does not have anything to do with Galileo. I have deleted the paragraph.

EGNOS is the first step to an GNSS infrastructure of Europe. As such related to Galileo.

EGNOS will in it's third version also increase the accuracy of Galileo starting hopefully in 2024. --Rabenkind (talk) 17:12, 26 June 2022 (UTC)[reply]

Blocking ability

"Since Galileo was designed to provide the highest possible precision (greater than GPS) to anyone, the US was concerned that an enemy could use Galileo signals in military strikes against the US and its allies (some weapons like missiles use GNSSs for guidance). The frequency initially chosen for Galileo would have made it impossible for the US to block the Galileo signals without also interfering with its own GPS signals. The US did not want to lose their GNSS capability with GPS while denying enemies the use of GNSS."

The article needs to be clear on how the US would go about blocking Galileo signals. Stefán Örvar Sigmundsson (talk) 23:41, 12 May 2016 (UTC)[reply]

I agree with that!.--Bolzanobozen (talk) 11:42, 27 August 2017 (UTC)[reply]

Brexit Effects

The UK (Surrey Satellite Technology Ltd (SSTL)) currently is responsible for constructing the payloads for the first 22 satellites. The tender process for the remaining satellites and payloads is currently underway, with SSTL bidding again.

While the UK will remain an ESA member, general rules mean that joint-funded missions between ESA and the EU (like Galileo) have to be sourced from EU countries. This situation becomes even more complicated because Galileo has direct funding from other nations - e.g. Switzerland is non-EU, but is ESA and was able to contribute the internal clocks.

However SSTL's construction of the payload is a huge security role, and it's distinctly uncertain whether the EU would be willing for a non-EU member to have such (possible) influence, especially given that by dint of constructing the payload, SSTL is heavily involved in dealing with the public regulated service - including the specific encrypted part for military/governmental use. Norway and Switzerland have not been granted access to this, despite security treaties.

Deserving of its own sub-section, or best suited to splits across multiple other paragraphs (bearing in mind that there isn't currently mention of the ongoing tender processes)?

Post-Brexit consequences on UK Space Mission participation

Nosebagbear (talk) 09:58, 1 September 2016 (UTC)[reply]

To anyone who might come across this and consider it - as noted 18 months ago, it's flaring up as a more imminent issue/threat now: bbc article on brexit/Gailelo concerns Nosebagbear (talk) 00:43, 30 March 2018 (UTC)[reply]

While brexit will lead to limited UK involment in the ongoing project, the article completley disregards the amount of input the UK has already had in the project and whitewashes their entire role. The agreement for the initial project as in the linked article was agreed by 27 of the 28 transport ministers, the hold out being Spain, who relented when some of their conditions were met, leading to unanimous approval. Tthe Uk has already directly invested £1 billion in Galileo and considerably more through contributions to the EU central Budget and ESA that have funded the ongoing work, along with a large part of the work was completed by UK companies, Ground Control was until recently run in Portsmouth and Surrey Satalite Technologies, that built most of the constelation, are a subsidury of Airbus UK. Brexit: UK wants £1bn back from EU if it is excluded from Galileo — Preceding unsigned comment added by 62.172.169.6 (talk) 12:03, 24 June 2020 (UTC)[reply]

External links modified

Hello fellow Wikipedians,

I have just modified 3 external links on Galileo (satellite navigation). Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

This message was posted before February 2018. After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than regular verification using the archive tool instructions below. Editors have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the RfC before doing mass systematic removals. This message is updated dynamically through the template {{source check}} (last update: 5 June 2024).

If you have discovered URLs which were erroneously considered dead by the bot, you can report them with this tool.
If you found an error with any archives or the URLs themselves, you can fix them with this tool.

Cheers.—InternetArchiveBot (Report bug) 09:23, 10 October 2017 (UTC)[reply]

External links modified (January 2018)

Hello fellow Wikipedians,

I have just modified one external link on Galileo (satellite navigation). Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:

Added archive https://web.archive.org/web/20160303235413/http://www.esa.int/Our_Activities/Navigation/The_future_-_Galileo/Launching_Galileo/Galileo_taking_flight_ten_satellites_now_in_orbit to http://www.esa.int/Our_Activities/Navigation/The_future_-_Galileo/Launching_Galileo/Galileo_taking_flight_ten_satellites_now_in_orbit

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

This message was posted before February 2018. After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than regular verification using the archive tool instructions below. Editors have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the RfC before doing mass systematic removals. This message is updated dynamically through the template {{source check}} (last update: 5 June 2024).

If you have discovered URLs which were erroneously considered dead by the bot, you can report them with this tool.
If you found an error with any archives or the URLs themselves, you can fix them with this tool.

Cheers.—InternetArchiveBot (Report bug) 15:59, 21 January 2018 (UTC)[reply]

GPS military (P and M codes) vs civilian (C/A code) signal accuracy

The article states that since Bill Clinton removed selective availability (SA) for the open/civilian GPS signals (C/A code), the military and civilian signals have the same accuracy. While it is true that SA intentionally degraded C/A code performance, even with SA off the signals have a lower bandwidth than the encrypted military signals (P and M) which means civilian signal accuracy still isn’t as good. Other enhancements used by civilian receivers to augment their GPS derived position may allow significant performance enhancements over plain C/A code but it is not correct to say that with the removal of SA the military and civilian signals are on par. 74.104.157.200 (talk) 01:07, 22 March 2022 (UTC)[reply]

units

Whats the thing with all the feed, inches, miles and lb? This is not an article closely related to one of three countries using those measures. It is an scientific article of a European project. It makes it so much harder to read. Who on earth is interested in satellite navigation and doesn't know SI-units? I suggest removing all non-SI units from running text. --Rabenkind (talk) 17:09, 26 June 2022 (UTC)[reply]

Vehicles = cars

Wikipedia says:

https://en.wikipedia.org/wiki/Galileo_(satellite_navigation)#Receivers

"Effective 1 April 2018, all new vehicles sold in Europe must support eCall, an automatic emergency response system that dials 112 and transmits Galileo location data in the event of an accident".

Does this mean that if I buy a new car in Europe and pay for a preinstalled navigation, it also supports Galileo?

If I buy a car with built-in navigation in Europe, how do I know if it supports Galileo or not?

And if there is such support, is the navigation significantly better than without Galileo?

91.159.188.211 (talk) 22:27, 28 July 2022 (UTC)[reply]

Accuracy

I changed the encrypted accuracy entry to 20 cm, as according to the sources linked to in this article, the accuracy is < 20cm, no mentioning of 1cm, however. SEA991 (talk) 15:21, 31 January 2023 (UTC)[reply]