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GPS jamming by Lightsquared - Wednesday, February 02, 2011

Lightsquared, who are developing a wireless data network, have been granted permission to use frequencies that are used by GPS, even though t is proven that thios will stop GPS receivers from operating near their transmitters. Luckily, sextants are not affected!

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WinAstro reviewed by PBO - Tuesday, January 25, 2011

Practical Boat Owner has reviewed WinAstro and given it a very good *** rating. You can read the review here on the web site.

Mike Richey passed away - Tuesday, January 25, 2011

Mike Richey, expert on astro navigation and famous for his single-handed races across the Atlantic in the 26 foot junk rigged boat "Jester", passed away on 26th December at the age of 92. He was also one of the founders of the Royal Institute of Navigation, and served an apprenticeship with the sculptor and typrographer Eric Gill.
Read his obituary here.

WinAstro reviewed by Sejl magazine - Friday, July 30, 2010

The Norwegian magazine Seil has reviewed WinAstro. The report, written by Terje Bølstad, is available for reading on Seil's web site - he has been an enthusiastic user of WinAstro for many years..

WinAstro now with Planetarium Software - Friday, July 30, 2010

WinAstro is now supplied with a separate planetarium program, Stellarium, that lets you see the sky at night from your location, and identify the stars, planets and constellations. This helps you identify the body you want to take a sight on, and more generally to identify all the objects in the sky - a great way to make those night watches more interesting!

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Link utili

Here we provide links to a number of other information sources on astro navigation (or celestial navigation), sextants, and training courses.
These will all open up in a new window in your browser.

Astro Navigation

Wikipedia on Celestial Navigation
Celestial Navigation Net - a site on the history, theory and practice of astro navigation
National Maritime Museum - astro navigation items through history
China Culture Celestial Navigation - a brief article on China's history of astro navigation
The Navigation Foundation - dedicated to preserving astro navigation and related skills
Celestial Navigation - podcast from, so astronavigation  from an astronomer's point of view - this sailing web site is focussing on astro navigation for 2011


Wikipedia on Sextants
Astra IIIB - a good value aluminium sextant made in China in a joint venture with Celestaire
Cassens & Plath - a range of high quality sextants for yachtsmen and commercial mariners
Davis - a range of quality plastic sextants for those on a budget
- high quality German aluminium sextants
Tamaya - high quality Japanese aluminium sextants
The Antique Sextant - a range of reproduction sextants, largely based on models from Stanley & Co, London


RYA Yachtmaster Ocean - British astro navigation qualifications
Celestial Navigation Standard - Canadian Yachting Association standards for sextant navigation
Celestial Navigation Certification - US Sailing syllabus for celestial navigation
Astro at Sea - a very popular course run by Stokey Woodall, probably Britain's most enthusiastic proponent of astro navigation, held on a Brittany Ferries ship going from Portsmouth to Bilbao and back
Astro at the Skypad - another course from Stokey, held at his "Skypad" at Bonchurch, Isle of Wight
Ocean Training - distance learning course for the RYA Yachtmaster Ocean

General Web Directory, find what you're looking for! - is a one-stop resource for cruising yachts worldwide.
Sealogy - Italian marine web directory