Categories
Navigation

Celestial Navigation Basics Land Sea & Air – Course_d

Introduction In a previous post (Ref.1) I described how I developed an interest in Celestial Navigation and in my last posts (Ref.2, Ref.3) I explained what I believe to be the important points such as why CelNav is still relevant, the GP Geographic Position, the Navigation Triangle and it’s Trigonometric solution. In this post I […]

Categories
Navigation

Celestial Navigation Basics Land Sea & Air – Course_c

Introduction In a previous post (Ref.1) I described how I developed an interest in Celestial Navigation and in my last post (Ref.2) I started explaining what I believe to be the important points such as why CelNav is still relevant and the GP Geographic Position. In this post I will cover the Navigational Triangle and […]

Categories
Navigation

Celestial Navigation Basics Land Sea & Air – Course_b

Introduction In the previous post I described how I developed an interest in Celestial Navigation. This past summer of 2020 it provided an anchor for me to forget about the pandemic and all the horrible consequences that ordinary people suffered and continue to suffer as a result. I made a series of posts/videos on using […]

Categories
Navigation

Celestial Navigation Basics Land Sea & Air – Course_a

My first exposure to Celestial Navigation was a book I found rummaging around my father’s naval chest in our basement. He had served in the Canadian Navy during World War II and had a collection of navigation books and other manuals. It was fascinating looking through all the gear, although I was too young at […]

Categories
Navigation Telecommunications

OpenPlotter – RTL-SDR for VHF/AIS

Introduction OpenPlotter (Ref.1) is a Linux based Operating System that runs on the Raspberry Pi computer. The Raspberry Pi is extremely popular in the education field. It is well documented, compact and requires very little power. This makes it ideal to form the basis of an electronics navigation system for a small craft. In the […]