NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: H.O. 229/249: publication dates
From: Greg R_
Date: 2011 Mar 24, 13:44 -0700
From: Greg R_
Date: 2011 Mar 24, 13:44 -0700
According to The Institute of Navigation website, H.O. 249 was first issued in 3 volumes in 1952: http://www.ion.org/search/view_abstract.cfm?jp=j&idno=1939 Title: H. O. 249 REVISED Author: John Dohm Issue: Vol. 3 No. 3, 1952 Page(s): 93 - 94 Cite this article: Dohm, John, "H. O. 249 REVISED", NAVIGATION, Vol. 3, No. 3, Fall 1952, pp. 93-94. Abstract: The first volume of the long-awaited revision and expansion of H.O. Publication No. 249, Sight Reduction Tables for Air Navigation, containing computed altitudes and azimuths for 34� selected stars and the bodies of the solar system, has been issued by the Hydrographic Office. Volume 1 is a revision of the Star Tables for Air Navigation, conceived and designed by Commander C. H. Hutchings, USN, and first published in a preliminary edition in 1947. In addition to the Star Tables, two more new volumes, providing complete data for the reduction of sun, moon and planet sights, are to follow. Volume 2 will cover latitudes O�-39� north and south, and Volume 3 latitudes 40�-89� north and south. -- GregR
