Can you use GPS privately?

My assumption/understanding was that GPS was merely bombarding coordinates onto the Earth, but the loss of privacy occurred when that location would be read by Google Maps, and other apps and they would track/share your data.

Thus, I thought that you could use GPS and use FOSS apps with it (like Organic Maps).

However, I remember thinking back to a story from way back when, that GPS would stop transmistting data if it saw you were going faster than a …

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