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From: Arno Welzel <usenet@arnowelzel.de>
Newsgroups: comp.mobile.android
Subject: Re: What can't you do on Android WITHOUT a Google Account set up in
 the OS?
Date: Sat, 11 Jan 2025 12:52:17 +0100
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Andy Burns, 2025-01-10 18:33:

> Arno Welzel wrote:
> 
>> VanguardLH wrote:
>>
>>> The magnometer periodically requires re-calibration (the 3-D figure 8
>>> roll) to get compass readings correct.
>>
>> A magnetometer has nothing to do with GPS.
> Occasionally when using google maps from my phone e.g. on a train, it 
> will report "low accuracy" and request the figure-8 calibration, I think 
> it can use the magnetometer better to sense the direction of travel?

The magnetometer is mostly relevant if you do *not* move and want to
know, in which direction the device is oriented.

However when you move, your direction of travel can will be computed
based on your movement - the magnetometer is then completely irrelevant
and will *not* used for that.


-- 
Arno Welzel
https://arnowelzel.de