really? Would a gps tracker keep in touch with the satellites when down in the sewers? If a gps watch struggles in plain daylight...
I don't think GPS exist in Russia, glonass maybe?
Coverage is shaky in the some bits in the middle (north of India) but otherwise fine.
(Example coverage map from SPOT tracker)
@edscoble started
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really? Would a gps tracker keep in touch with the satellites when down in the sewers? If a gps watch struggles in plain daylight...