Unmanned air vehicles can collect tremendous data and imagery to produce high-precision orthophotos. But how can you set up your own GCPs to ensure precision and accuracy? This article from the Eos June 2017 issue explains how.
On December 31st, 2016, just before midnight, a positive leap second was inserted into the Coordinated Universal Time (UTC). This leap second added to GLONASS may have introduced disruption at the exact moment. Arrow Series™ receivers affected (e.g., Arrow 200, Arrow Gold) will automatically update a new almanac.