GPSy

GPSy connects your Macintosh to a broad range of Global Positioning System (GPS) receivers, Loran-C, DECCA, and OMEGA navigational units and displays your current coordinates, Altitude, bearing, heading, speed over ground, velocity made good, distance to go, current waypoint, GPS satellite data, and more. GPSy can upload and download GPS system data (waypoints; routes; track; Almanac) from a variety of GPS manufacturers including Ashtec, Garmin, Eagle, Lowrance, Magellan, Rockwell and Trimble. GPSy is also the only Macintosh program to support the new Internet DGPS-IP services, giving you meter accuracy in real-time through from free, online DGPS-IP servers. Features GPSy is a full-featured Macintosh GPS communications software program. GPSy connects your Macintosh to virtually any data-output capable GPS unit on the market, collects the GPS system data, and displays your location, speed, heading, bearing, and other information in real-time. Precision Positional Information: GPSy presents positional information in Degrees:Minutes:Seconds (41:18`56"N), Decimal degrees (eg. 41.315550N), Degree: Decimal Minutes (41:18.933N); Universal Transverse Mercator (UTM); Universal Polar System (UPS); Maidenhead Grid; U.S. Military Grid Reference System (MGRS); Australian Map Grid (AMG); British National Grid (BNG); Dutch Grid (RK); German Grid (GK); Irish Transverse Mercator; New Zealand Map Grid (NZMG); Swedish Grid; Swiss Grid; and ECEF X, Y, Z systems. You can choose a primary and secondary coordinate system and can select from a list of 127 geodetic datums for automatic translation.