Radio operator at work at Radio Acoustic Ranging shore station KGHS.Radio acoustic ranging operations on the SURVEYOR
3/20/2019 12:32:34 PM
Date: 1929
Credit: C&GS; Season's Report Lukens 1925-41
Location: Alaska, Kodiak Island area
Subject: Charting
Subject: Navigation
Subject: Electronic
Subject: Radio-Acoustic Ranging