Table of Contents
Class Prep
Class 1
Class 2
Class 3
Class 4
Class 5
Class 6
Class 7
Class 8
Class 9
Class 10
>>Topical Articles<<
Assumed Longitude
Bowditch
Bygrave
Casio fx-260 Solar II
Emergency Navigation
Making a Kamal
Noon Sight
Pub. 249 Vol. 1
Sextant Adjustment
Sextant Skills
Sight Averaging
Sight Planning, Error Ellipses, & Cocked Hats
Slide Rules
Standard Terminology
Star Chart
The Raft Book
Time
Worksheet Logic
BCOSA.ca
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Class 6: August 15, 2019
Class Plan
- Work with Carly on direct calculation of sights using trigonometry (rather than using Pub. 249)
- Do plotting with a universal plotting sheet (rather than the sheet customized for Israel).
Plot from DR position rather than AP.
Materials Required
- Sight reduction worksheet for direct calculation
- Scientific calculator
Homework Assignment
- Create a sight averaging plot from sights 3, 4, 5 and 6 from this list.
- Complete the sight reduction of sight #3, from 12:48:39, and plot it on this plotting sheet.
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