Talk:Restrictions on geographic data in China

China High‑importance

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Maps High‑importance

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Law Mid‑importance

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This article mentions a potential MOS violation: not using WGS84 for Chinese coordinates. For a warning template and instructions to correct such data, refer to User:Artoria2e5/coord-notice.

Chips or maps

The problem was observed as early as 2008, and the causes were unclear, with (misguided) speculation that imported GPS chips were tampered with code that caused incorrect reporting of coordinates.[41] It is still unclear whether GPS chips manufactured in China return GCJ-02 coordinates directly, or if they return WGS-84 coordinates, which approved map software can convert to GCJ-02.[citation needed]

While I do appreciate the effort of referring to the speculation as "misguided", the unsupported claim that follows should be able to use a bit of similarly powered claim regarding the source of the offset. Will anyone find some source to clear that up a bit? (Logically the answer lies not in the chips (nor in smartphone OS/firmware), but in the software. Otherwise: a) everyone with a smartphone is screwed and skewed when they check apple satellite or google Earth imagery b) there won't be any deviation relative to street maps visible in Ingress (good thing, ironically).) –Artoria 2e5 contrib 04:51, 22 February 2017 (UTC)[reply]

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

The following Wikimedia Commons file used on this page has been nominated for deletion:

PRcoords Cheatsheet.pdf

Participate in the deletion discussion at the nomination page. —Community Tech bot (talk) 21:51, 27 March 2019 (UTC)[reply]

"Wu shift" listed at Redirects for discussion

An editor has identified a potential problem with the redirect Wu shift and has thus listed it for discussion. This discussion will occur at Wikipedia:Redirects for discussion/Log/2022 December 21 § Wu shift until a consensus is reached, and readers of this page are welcome to contribute to the discussion. Rusalkii (talk) 23:35, 21 December 2022 (UTC)[reply]