Why is my Instinct solar's altimeter so accurate when I'm at the coast meanwhile there would be a (+/-) 20m error when I'm at my residence which is 2km away from the
Epix G2 Altimeter way off - Epix (Gen 2) Series - Wearables - Garmin Forums
Barometric Altimeter | Garmin Connect IQ
Dear Alpine: Altimeter Watches - Alpine Ascents International