Plotting Raydist readings with Odessey protractor.Note circular arcs on boat sheet denoting range-range navigation.Launch party off of PIONEER
3/20/2019 10:37:43 AM
Date: 1960
Credit: C&GS; Season's Report Deane 1960-38
Location: Kwajalein Island, Kwajalein Lagoon
Subject: Charting
Subject: Navigation
Subject: Electronic
Subject: HF and MF Systems