pl23_theb2297.jpg
Description
Erecting EPI (Electronic Position Indicator) antenna.EPI was a medium frequency system that was useable out to 200 miles.Invented within the Coast and Geodetic Survey
Credit
C&GS; Season's Report Reed 1951-123
Display Date
1951
Location
Nunivak Island, Bering Sea, Alaska
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
High & Medium Frequency Navigation Systems
Keywords
Charting
Navigation
Electronic
HF and MF Systems