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HIGH & MEDIUM FREQUENCY NAVIGATION SYSTEMS
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Coast-Geodetic-Survey
Nautical Charting
Navigation
High & Medium Frequency Navigation Systems
Navigation
Gee or Shoran hyperbolic navigation lattice over France.Allies installed electronic navigation systems to guide bombers.Adapted to hydrographic survey needs at end of war
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Front page of first report detailing tests of Shoran by C&GS.;Clarence Burmister spearheaded efforts to adapt Shoran to survey use.Tests run in vicinity of Attu Island
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Shoran was high frequency line-of-sight system
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Shipboard Shoran antenna from below.On EXPLORER
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Shipboard Shoran antenna as viewed from bow.On EXPLORER
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Shore station Shoran antenna being raised.First electronic navigation antenna ever raised by C&GS.;Party off of EXPLORER.Photo No. 1 of sequence
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Shore station Shoran antenna being raised.First electronic navigation antenna ever raised by C&GS.;Party off of EXPLORER.Photo No. 2 of sequence
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Range-range navigation lattice generated by Attu-Semichi stations.First purely electronic navigation lattice used by C&GS.;Electronic navigation lattice developed by party off of EXPLORER
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Closeup of Shoran antenna mounted on radar antenna.Shoran array installed by party off of LYDONIA
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Shoran antenna installed on radar tower.Shoran array installed by party off of LYDONIA
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Shoran antenna installed on radar tower.Shoran array installed by party off of LYDONIA
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Plotting range-range Shoran position with Odessey protractor.On LYDONIA
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A conceptual Shoran station layout.Circular lines of position with Shoran in range-range mode
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Mast and antenna system for Shoran installation.First electronic navigation antenna ever raised by C&GS.;Party off of EXPLORER.Photo No. 3 of sequence
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Mast and antenna system for Shoran installation.First electronic navigation antenna ever raised by C&GS.;Party off of EXPLORER.Photo No. 4 of sequence
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Shoran antenna at Cape Wrangell.Party off of SURVEYOR
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Shoran station in Liberia.Combined operations party of George Morris.Shoran used to control airplane conducting photogrammetric operations
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Shoran station being unloaded through surf at Nushagak Bay.Party off of PATHFINDER.Photo No. 1 of sequence
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Hauling Shoran gear up the cliff at Nushagak Bay.Party off of PATHFINDER.Photo No. 2 of sequence
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Hauling Shoran gear up the cliff at Nushagak Bay.Party off of PATHFINDER.Photo No. 3 of sequence
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