NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: from a watcher
From: Bill Murdoch
Date: 2002 Oct 22, 19:50 EDT
From: Bill Murdoch
Date: 2002 Oct 22, 19:50 EDT
In a message dated 10/22/02 9:52:44 AM Eastern Daylight Time, wescott_mike@EMC.COM writes:
When the Nautical Almanac tables were new, (I think 1989 was the first year.) I put a form together that Cruising World published in their November 1990 issue. The USPS later adopted a form, SR 89, for use with the Nautical Almanac Sight Reduction Tables. I am surprised that the NAO has not included a suggested form with their tables either in the NA or in Bowditch. I think it makes it much easier to use the tables.
Bill Murdoch
I look at these tables as part of a convenient "lifeboat kit". I.e. what's
the minimal kit you'd need to do lifeboat navigation? They do require a lot
of steps but the tables are very compact. That's the trade off I guess.
The form I developed fits four calculations to a page. I think it needs a
little more in the way of directions to jog the navigator's memory. Consider
this a beta version.
When the Nautical Almanac tables were new, (I think 1989 was the first year.) I put a form together that Cruising World published in their November 1990 issue. The USPS later adopted a form, SR 89, for use with the Nautical Almanac Sight Reduction Tables. I am surprised that the NAO has not included a suggested form with their tables either in the NA or in Bowditch. I think it makes it much easier to use the tables.
Bill Murdoch
