Dolphin Maritime Software Ltd.

Marine Navigator 5

Product Specification

An advanced but simple to use navigation program for the the Psion Series 5.

Combines GPS input with traditional Navigation techniques into an easy to use but very comprehensive Navigation program.
Can be interfaced with a GPS receiver for real time navigation, used on its own for navigation planning or used with a traditional marine sextant for astronomical navigation.
Overcomes the limited memories of GPS units by allowing any number of waypoint and route files up to the limit of the free memory in your Psion.
Will work with any GPS receiver which can output NMEA 0183 position sentences and provides an easy, portable way of carrying your navigational information about with you.

GPS AND GENERAL NAVIGATION functions include:

GPS and DR (Dead Reckoning) modes with automatic update of position
Instant waypoint function for logging fishing locations etc.
Track logging facility
Multiple waypoint files with Goto Waypoint function
Multiple route files with route following function
Storage of waypoints by number & descriptive name
Storage of routes by number & descriptive name
Mercator sailing or plane sailing course and distance calculation selected automatically
Great circle sailing course and distance calculation with selectable interval for plotting
Courses & bearings in degrees magnetic or true

ASTRONOMICAL NAVIGATION functions include:

Sight reduction with all corrections automatically applied; just select the body & enter the time.
Inbuilt almanac accurate within 1. 0' of arc for the years 1900 to 2100.
Astronomical bodies, comprising 59 stars,the Sun, the Moon, Venus, Mars, Jupiter & Saturn are in the Almanac & no external tables are necessary.
Prediction of co-ordinates for any body.
"ASTROPLAN"; prediction of all bodies for any time within your selected altitude limits.
LHA Aries for any time.
Rapid star identifier;gives you the Star's name from estimated bearing & altitude.
Fix by statistics from any two or more sights.
Past sights can be inspected & edited.
Times of twilights & sun's meridian passage.
Latitude from meridian passage.
Saving of sights to disk.

Minimum System Requirements

Psion Series 5 4MB or 8MB RAM Model with 100 Kilobytes free internal disk space.