Software Applications

Tidal Analysis & Prediction
GeoTide is our professional tidal analysis and prediction package. It converts tide gauge data into UKHO, IHO or user specified, harmonic constants - ready for making accurate tidal predictions and tide tables. More..

Datum Conversion
Our datum conversion program DatumPro has been used for over 10 years to convert positions between thousands of different datums & grid systems. handles XY, NE, Latitude & Longitude, TM, UTM etc. Converts positions within ASCII lists, user specifiable transformations, and more..

XY Digitizer
Our digitising program XYit helps you to convert images (jpg, bmp, gif etc) of graphs or maps back into their original xy co-ordinates. Even if your image has been squashed, rotated or stretched you can still recover the original xy coordinates. More..

NME Signal Simulator
Our free software NMEPos simulates a vessel's movement by writing GPS NMEA sentences to your PC output port. A connection lead supplies these artificial positions to your plotter via its NMEA input socket. Ideal for exhibitions, sales, demonstrations & testing. More..