MagVar computes and displays magnetic variation for anywhere in the world between 60 deg. N and 80 deg. S. This version is functionaly identical to the applet displayed in Almanac On-Line but written as a stand alone program to run on your own computer.
Download Magvar

Have you ever needed to convert metric units to imperial, miles to kilometres, pounds to kilograms, knots to miles per hour? This-to-That is the tool for the job and handles a whole range of other unit conversions. It's fast, flexible and compact.
Download This-to-That

Need a practise code generator to help you learn Morse? Here's a versatile but very simple generator that turns a block of text into a morse sound and flashing light display. You can vary the pitch, speed and character gap of the signal produced.
Download CW-Swot

This is a program written specifically for formatting position and weather observations from boats at sea. The reports it produces are in plain English text, can be read by position plotters, weather analysis and archive software and are easily passed over HF radio and e-mail.
Read more about the Reporter

PhysPlot is a new program with the ability to plot a range of meteorological data including isobars, pressure systems, fronts, wind arows and sea temperatures. See the PhysPlot page for a free evaluation download.

Weather for the Yachtsman 2008.doc
Forecasting in the South Pacific 2007.doc