Each epoch (19.7 years) there is a GPS Week Number Rollover. Read how your Arrow was built to last. Plus, see how one Texas drone consultancy used Arrow Gold for GCPs and drone/aerial survey work. Browse upcoming March events, and see why GPS and GNSS are making big headlines this month across the globe.

Browse the January 2019 newsletter from Eos. A new 20-minute presentation shows how Halifax Regional Municipality held contractors accountable for nearly $300,000 in warranty-covered tree replacements. Plus, new video and PDF guides walk you through collecting real-time orthometric heights (Z value) in Esri Collector v.18.1.0. We're also excited to share three new interviews with our CTO, plus more! Click for additional new videos, articles, and event alerts.

Eos Newsletter December 2018: Browse the most popular content from all issues of the 2018 Eos monthly newsletter, including announcements about GEOID height support in real time as well as the world's first laser mapping solution for Collector for ArcGIS, thanks to a three-way partnership with Eos, Esri and LTI. This edition also has a special holiday message for our customers, partners and associates.

Eos Newsletter November 2018: Students at Dalhousie University identify $270,000 of trees covered by warranty for replacement, thanks to a high-accuracy spatial inventory of an urban forest that holds contractors accountable and which used Eos Arrow 100, Esri Collector for ArcGIS, and Android tablets. Meanwhile, Eos released a new 3-minute video demonstrating how to collect real-time orthometric (GEOID) height in Collector for ArcGIS on iOS. Other news includes the European GNSS constellation, Galileo, expanding its navigational footprint in the US.