Range-range navigation lattice generated by Attu-Semichi stations.
First purely electronic navigation lattice used by C&GS.
Electronic navigation lattice developed by party off of EXPLORER
Image ID: theb2279, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Attu Island, Aleutian Islands
Photo Date: 1945
Credit: Association of Commissioned Officers
Category: Charting/Navigation/Electronic/HF and MF Systems/
• High Resolution Photo Available