A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Gary LaPook
Date: 2016 Sep 7, 15:01 -0700
But first they had to capture islands on which to set up the LORAN stations, For example, one was not set up on Gardner island until December, 1944.
Here is a link to a map showing the LORAN coveerage in 1945, lots of open spaces.
Even in 1973 there was lots of blank space:
Even the introduction of LORAN C didn't change the coverage much.
Here is a link to information about all the LORAN stations, locations and when they were established: