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NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Catalog of Images

4950 thumbnail picture
Electronics setup for Radio Acoustic Ranging shore station. Navigation station for the GUIDE
Oregon, Cape Blanco area 1924
4951 thumbnail picture
Planting anchor for Radio Acoustic Ranging hydrophone. Must have been warm - note bare foot helping push anchor away from ship
4952 thumbnail picture
A new type of hydrophone block for Radio Acoustic Ranging. On the GUIDE
San Clemente Island area, California 1925
4953 thumbnail picture
Transferring the hydrophone block and cable to launch for planting. Radio acoustic ranging operations on the GUIDE
San Clemente Island area, California 1925
4954 thumbnail picture
Launch laying the cable from hydrophone to the shore station. Radio acoustic ranging operations on the GUIDE
San Clemente Island area, California 1925
4955 thumbnail picture
Shore Radio Acoustic Ranging Station on San Clemente Island. Radio acoustic ranging operations on the GUIDE
San Clemente Island area, California 1925
4956 thumbnail picture
Radio operator at work at Radio Acoustic Ranging shore station KGHS. Radio acoustic ranging operations on the SURVEYOR
Alaska, Kodiak Island area 1929
4957 thumbnail picture
The first Odessey Protractor. This instrument was used to plot intersecting ranges from two RAR stations. Invented while Herman Odessey attached to DISCOVERER. Variations of this instrument were used for plotting positions for over 60 years
1929
4958 thumbnail picture
Radio Acoustic Ranging bomb making. TNT bombs were sound source for RAR. RAR work on OCEANOGRAPHER
Georges Bank, New England coast 1930
4959 thumbnail picture
Radio Acoustic Ranging bomb making. TNT bombs were sound source for RAR. RAR work on OCEANOGRAPHER
Georges Bank, New England coast 1930
4960 thumbnail picture
Radio Acoustic Ranging - igniting the bomb and timing fuse. TNT bombs were sound source for RAR. RAR work on OCEANOGRAPHER
Georges Bank, New England coast 1930
4961 thumbnail picture
Timing the fuse on a quart bomb during RAR operations. TNT bombs were sound source for RAR. RAR work on OCEANOGRAPHER
Georges Bank, New England coast 1930
4962 thumbnail picture
Quart bombs exploding during RAR operations. TNT bombs were sound source for RAR. RAR work on OCEANOGRAPHER
Georges Bank, New England coast 1930
4963 thumbnail picture
A schematic view of RAR and echo-sounding. Diagram in public information brochure
1934
4964 thumbnail picture
The Launch PRATT - an RAR hydrophone boat. Worked as station boat while HYDROGRAPHER conducted sounding operations
Louisiana, Morgan City July 1935
4965 thumbnail picture
A sono-radio-buoy developed to eliminate need for station boats. RAR operations in the Gulf of Mexico. Forerunner of Anti-submarine warfare sonobuoys
1936
4966 thumbnail picture
Electronics package of sono-radio-buoy for RAR. This instrument was developed by Almon Vincent on the GUIDE. Forerunner of Anti-submarine warfare sonobuoys
1936
4967 thumbnail picture
Sono-radio-buoy for RAR work on pier --- Almon Vincent design. Forerunner of anti-submarine warfare sonobuoys
4968 thumbnail picture
Almon Vincent tuning the antenna circuit on sono-radio-buoy. RAR work on the GUIDE
1936
4969 thumbnail picture
Railroad car couplers used to anchor RAR hydrophone. On the OCEANOGRAPHER
1939
4970 thumbnail picture
Vincent type sono-radio-buoy being deployed from the GUIDE. RAR operations on north coast of Unimak Island
North coast of Unimak Island, Aleutian Islands 1939
4971 thumbnail picture
Sono-radio-buoy developed by Almon Vincent for RAR work. Buoy deployed from the GUIDE
1936
4972 thumbnail picture
Sono-radio-buoy deployed in the Aleutians for RAR work. Buoy deployed from the PIONEER
Islands of the Four Mountains, Aleutian Islands 1940
4973 thumbnail picture
Inspecting the electronics package of a sono-radio-buoy. RAR work on the OCEANOGRAPHER
North Carolina coast 1940
4974 thumbnail picture
Holding RAR bomb. In 1944 issue of the magazine "The Military Engineer"
4975 thumbnail picture
RAR bomb being exploded astern of EXPLORER. In vicinity of Islands of the Four Mountains
Islands of the Four Mountains, Aleutian Islands 1940
4976 thumbnail picture
RAR bomb being exploded astern of GUIDE. North shore of Unimak Island
Unimak Island, Aleutian Islands, Alaska 1940
4977 thumbnail picture
"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
France, Eastern 1944
4978 thumbnail picture
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
Alaska, Attu Island, Aleutian Islands 1945
4979 thumbnail picture
Shoran was high frequency line-of-sight system
1945
4980 thumbnail picture
Shipboard Shoran antenna from below. On EXPLORER
1945
4981 thumbnail picture
Shipboard Shoran antenna as viewed from bow. On EXPLORER
1945
4982 thumbnail picture
Shore station Shoran antenna being raised. First electronic navigation antenna ever raised by C&GS. Party off of EXPLORER. Photo No. 1 of sequence
Alaska, Attu Island, Aleutian Islands 1945
4983 thumbnail picture
Shore station Shoran antenna being raised. First electronic navigation antenna ever raised by C&GS. Party off of EXPLORER. Photo No. 2 of sequence
Alaska, Attu Island, Aleutian Islands 1945
4984 thumbnail picture
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
Alaska, Attu Island, Aleutian Islands 1945
4985 thumbnail picture
Closeup of Shoran antenna mounted on radar antenna. Shoran array installed by party off of LYDONIA
Mt. Agamenticus, Maine 1946
4986 thumbnail picture
Shoran antenna installed on radar tower. Shoran array installed by party off of LYDONIA
Mt. Agamenticus, Maine 1946
4987 thumbnail picture
Shoran antenna installed on radar tower. Shoran array installed by party off of LYDONIA
Maine, Cape Elizabeth 1946
4988 thumbnail picture
Plotting range-range Shoran position with Odessey protractor. On LYDONIA
Gulf of Maine 1946
4989 thumbnail picture
A conceptual Shoran station layout. Circular lines of position with Shoran in range-range mode
Alaska, Buldir Island, Aleutian Islands 1944
4990 thumbnail picture
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
Alaska, Attu Island, Aleutian Islands 1945
4991 thumbnail picture
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
Alaska, Attu Island, Aleutian Islands 1945
4992 thumbnail picture
Shoran antenna at Cape Wrangell. Party off of SURVEYOR
AlaskaCape Wrangell, Attu Island, Aleutian Is. 1946
4993 thumbnail picture
Shoran station in Liberia. Combined operations party of George Morris. Shoran used to control airplane conducting photogrammetric operations
Liberia 1953
4994 thumbnail picture
Shoran station being unloaded through surf at Nushagak Bay. Party off of PATHFINDER. Photo No. 1 of sequence
Nushagak Bay, Alaska 1950
4995 thumbnail picture
Hauling Shoran gear up the cliff at Nushagak Bay. Party off of PATHFINDER. Photo No. 2 of sequence
Nushagak Bay, Alaska 1950
4996 thumbnail picture
Hauling Shoran gear up the cliff at Nushagak Bay. Party off of PATHFINDER. Photo No. 3 of sequence
Nushagak Bay, Alaska 1950
4997 thumbnail picture
Shoran equipped launch in the Beaufort Sea. Launch operating with the Arctic Field Party
Near Tigvariak Island, Beaufort Sea, Alaska 1950
4998 thumbnail picture
Inshore sextant fix hydrography as out of line-of-sight of Shoran. Launch off of EXPLORER
Alaska, Amchitka Island, Aleutian Islands 1949
4999 thumbnail picture
Shoran station Stem. Installed by party off of EXPLORER
Little Sitkin Island, Aleutian Islands, Alaska 1949

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Last Updated:
April 30, 2013