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From: Andy Burns <usenet@andyburns.uk>
Newsgroups: comp.mobile.android
Subject: Re: precision coordinates
Date: Sun, 23 Jun 2024 15:41:18 +0100
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bad sector wrote:

> How would I map with precision about 900 planted trees on 
> google-earth-pro? As a manual method I would think of taking a hundred 
> readings on each with my phone and averaging them out, but that is a LOT 
> of work (did it once with a bubble-sextant to win a bet). Is there an 
> fdroid app to do this sort of thing (not interested in signupware)? Any 
> other ideas?

Surveying like that probably requires either differential GPS or 
real-time kinematics GPS.