First C&GS electronic base line measurements.
Base crossings by ship over Shoran network.
Minimum value from two range-range stations gives distance.
C&GS Ship EXPLORER
Image ID: theb1681, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Bering Sea
Photo Date: 1951
Credit: C&GS Season's Report 1951-92
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
| NOAA Disclaimer
July 7, 2015