NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Is there a way to produce Sight reduction tables for air navigation
From: Gary LaPook
Date: 2016 Sep 4, 18:06 +0000
From: Bruce J. Pennino <NoReply_Pennino@fer3.com>
To: garylapook@pacbell.net
Sent: Sunday, September 4, 2016 7:58 AM
Subject: [NavList] Re: Is there a way to produce Sight reduction tables for air navigation
Bruce
From: Gary LaPook
Date: 2016 Sep 4, 18:06 +0000
In volume 2 an 3 there are 6 pages of interpolation and auxiliary data (most of which are not used by surface navigators) plus 6 pages for each one degree of assumed latitude. If you are sailing in a limited latitude band (and which of us isn't) then you only need to print out a very limited number of pages, place in plastic protective envelopes and place in a three ring binder.
The are about 6 pages in volume one and then only two pages per latitude, even less to print out.
gl
From: Bruce J. Pennino <NoReply_Pennino@fer3.com>
To: garylapook@pacbell.net
Sent: Sunday, September 4, 2016 7:58 AM
Subject: [NavList] Re: Is there a way to produce Sight reduction tables for air navigation
I recommend buying the volume for your normal latitude; I’ve never needed
volumes 1 & 3 for my limited range in latitude of CN activities. Volumes are
relatively compact and very sturdy. Print is very readable...becoming important
for my eyes.
Bruce
From: Gary LaPook
Sent: Sunday, September 04, 2016 12:58 AM
Subject: [NavList] Re: Is there a way to produce Sight reduction
tables for air navigation
You can download volumes 2 and 3 for free from the government website at:
See prior posts:
Ken, the owner of Celestaire, has made available all three volumes of HO 249
for a free download from his website. (Remember to buy your navigation equipment
from Celestaire, I bought my first sextant there in 1977.) But you might like
printed copies also available at Celestaire, its easier than printing out you
own copies after you download them.
gl
gl
