Hydrotrac navigation system antenna in lower Cook Inlet.
Party off of PATHFINDER
Image ID: theb2324, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Lower Cook Inlet, Alaska
Photo Date: May 1971
Credit: Commander Gerald B. Mills, NOAA Corps (ret.)
Category: Charting/Navigation/Electronic/HF and MF Systems/
• High Resolution Photo Available