NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Error: B45a Re: recommendation for slide rule ?
From: Lu Abel
Date: 2011 Nov 23, 18:07 -0800
From: Lu Abel
Date: 2011 Nov 23, 18:07 -0800
Good point. On my boat I carry an old 6" rule for one purpose -- converting seconds (found on some large-scale charts) into decimal minutes for entry into my GPS. WAY faster than using a calculator and/or reprogramming my GPS to accept minutes and seconds (and then unprogramming it). An ideal blend of old and new technologies...
Lu
From: Greg Rudzinski <gregrudzinski@yahoo.com>
To: NavList@fer3.com
Sent: Wednesday, November 23, 2011 1:00 PM
Subject: [NavList] Re: recommendation for slide rule ?
Alan,$25 should get you a functional K&E 4080 which does trig in degrees and minutes. If you are ok with degrees and tenths then a bamboo Post Versalog is good. Lots of nautical applications. Time, speed, distance, and ETA are easy and fast. CN is accurate enough on altitudes below 30*. Great for azimuths and amplitudes.Greg
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