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lastofthemojito 2 days ago [-]
What's that device on a pole the man is holding in the field along with a phone?
helsinkiandrew 2 days ago [-]
A GNSS (Global Navigation Satellite System) receiver, it can produce your location down to a 10cm resolution (depending on which satellite system you use). The software on the phone presumably is the logger that lets you 'click' positions as you walk around the border of something.
It looks like this one (or a related product):
https://bench-mark.ca/product/juniper-geode-sub-meter-gns3-r...