For ECEF the vector length should be close to the earth radius. For flat you'll get heights that make sense ito altitude and probably x/y in degrees. Not sure about difference with UTM.

Experiment a bit.

jp

On 22/02/11 14:07, Vijeesh Theningaledathil wrote:
Hi,
Thanks. But how can I make out whether it's UTM or FLAT earth or ECEF?


Thank you!

Cheers,
Vijeesh

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