HxGN Content Program to collect new single-season aerial data of 14 U.S. states this year April 15, 2021 By Editor 888,035 square miles of high-resolution aerial imagery and digital elevation data will be captured in 2021 as part of Hexagon’s third refresh of the United States HxGN Content Program to collect new single-season aerial data of 14 U.S. states this year. The states will be refreshed at the program’s standard 12-inch statewide updates, as well as select states enhanced to 6-in resolution statewide. The acquisition adds 888,035 square miles of 4-band aerial imagery and digital elevation data to the program’s existing collection of over 9 million square miles across North America and Europe.