NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Beginner
From: Bill B
Date: 2005 Sep 16, 15:51 -0500
From: Bill B
Date: 2005 Sep 16, 15:51 -0500
Espen Thank you for your post. Hope to hear more from you in the future. Have you had any chances to observe from a boat? Bill > I am a beginner who has been using a Davis Mark III (the cheapest and > simplest of the Davis plastic sextants available now) since early spring > this year. My last intercept here in Oslo using a Davis artificial > horizon and the mean of six measurments was 1.5 nautical miles away. > This summer I spent some weeks training every day with a sea horizon > froma balcony on Lesvos (in the Aegean) where my main problem was to > figure out how high above the sea mu POV was and so the dip. After > testing and training myself in the use of the sextant I took two seats > of sun shots, and the intersection of the two LPs was about 3 nautical > miles away. Given the way the Davis Mk. III works I believe it is > difficult to come any closer than 1-2", and that yes, one should move > the arm in the same direction for all the shots.
