I asked Garmin and they more or less said a Firmware Upgrade would not add Glonass functionality to a Map 62st for example.
My problem is that I want Glonass functionality (to reduce obsolecence) plus standard US GPS, so that would suggest an eTrex 20 or 30. However, I think it is not possible to get the eTrex with the worldwide 1:100,000 topo map preloaded, or even to buy. Only the 1:25,000 topo maps, which cost circa UKP100 and don't cover very much area.
The Map 62st would be the answer, but it has no Glonass functionality. So I am wondering when the successor to the Map62st with Glonass will be released.
How good is the coverage with the free wiki OpenStreetMap in say northern Norway, Northern Russia and Iceland away from centres of population?
Grey Beard
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