From: Don Wiss Garmin III+ Magellan 330 eMap Receiver Type 12 Parallel 12 Parallel 12 Parallel Base Map Highway Detail Good Better Good Base Map Water Detail Poor Good Poor Antenna Quadrifilar Quadrifilar Patch External Antenna Yes No Yes Waypoints 500 500 500 Waypoint Icons 74 42 75 Routes 20 20 50 Legs/Route 30 30 50 Track Points 1900 1200 2000 Saved Tracklogs 10x250pt none 10x250pt Track Point save altitude No No Yes Map Memory 1.44MB 8MB 8-128MB Map Sets available on CD-ROM 21 2 24 Address Lookup on GPS No No Yes Address Lookup on CD No Yes No Audible Alarm No Yes Yes Proximity Alarms No Yes No Coordinates 15 9 15 Datum 103 123 109 Screen Resolution 100x160 104x160 120x160 Back Light (Levels) Yes (variable) Yes (2) Yes (1) Backlighted Keys Yes Yes No Screen Rotation Yes No No Battery Req. 4xAA 2xAA 2xAA Run time on Battery(Norm. mode) 20hr 10hr 14hr External Power 10-35V 9-16v 3v DGPS ready Yes Yes Yes Weight 9.3oz* 6.6oz* 6.9oz* *Including NiMH batteries DEFINABLE DATA FIELDS Position Screen 6 2 0 Map Screen 4 2 1 Compass Screen 4 4 1 # Types of Data in Fields 13-26 13 1