Knowing where you are!

Downloads related to the Fixing Position and Navigation Awareness module in the RYA Day Skipper course.

Learn to confirm your position using depth contours, transits, and visual cues. These resources support your navigation skills and help you stay oriented—even without a GPS.

RYA Training Deviation Card

Limited preview of RYA Training Deviation Card

The deviation card found on the back page of the RYA Training Almanac. It is used solely to support RYA theory courses and is a fictitious deviation card. This is used in the Deviation session of the Knowing where you are! module in the Day Skipper theory course.

PDF · 1 file · 124.81 KB

Updated 4 July 2025 · 355 downloads

Dilution of Precision Scale

Limited preview of Dilution of Precision Scale

Table of HDOP ranges and their associated meanings. When establishing the accuracy of our GNSS (GPS) fix, we need to understand the Dilution of Precision (DOP), sometimes referred to as Horizontal Dilution of Precision (HDOP). This is provided as a number of 1 or greater.…

PDF · 1 file · 39.16 KB

Updated 4 July 2025 · 976 downloads

Calculating Variation

Limited preview of Calculating Variation

How to calculate variation using the information found on a Compass Rose of a chart. Charts have the necessary information to calculate variation appropriate for their coverage area. They provide the local variation at a given date (year), and the amount and direction variation changes…

PDF · 1 file · 100.25 KB

Updated 10 May 2025 · 582 downloads