HYDROGRAPHIC OFFICE CHARTS FOR MARINE RADAR NAVIGATION

Robert H. Randall, Jr.

Peer Reviewed

Abstract:	Charged with responsibility for providing charts throughout the world as required for the Navy and Merchant Marine of the United States, the Hydrographic Office of the Navy has long evinced an active concern over the adaptation of its charts for marine radar navigation. Testimony to its wartime efforts in this field are the twenty-two Radar Piloting Charts of the H.O. Misc. 13,000 series. These charts are still available to the mariner whose vessel is equipped with superposition devices, such as the Virtual PPI Reflectoscope (VPR), which make possible direct comparison of PPI radar pattern with chart features. The Radar Piloting Charts are black with grid, topography and cultural features in white, and cover important areas on the east and west coasts of the United States, Puerto Rico and the Virgin Islands, and Tokyo Bay. None of these charts has been published since 1946, and it is instructive to look into the reasons.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 2, Number 10
Pages:	347 - 350
Cite this article:	Randall, Robert H., Jr.,, "HYDROGRAPHIC OFFICE CHARTS FOR MARINE RADAR NAVIGATION", NAVIGATION: Journal of The Institute of Navigation, Vol. 2, No. 10, 1951, pp. 347-350.
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