NAPRS APRS GPS comparison chart

GPS comparison chart

GPS units

Comparison

AvMap

This is a comparison chart of what APRS functions each GPS has.

	NMEA out	NMEA in	NMEA 1.5	Maps	Upload Maps	Storage	Max Stations	Icons
AvMap	Yes	Yes	No	Yes	No	Fixed	Yes	Yes
Etrex	Yes	No	No	No	No	No	N/A	No
Etrex Legend	Yes	Yes	No	Yes	Yes	8M	1000	No
Etrex Venture	Yes	Yes	No	Yes	No	1M	500	No
GPS 38	Yes	Yes	Yes	No	No	No	?	No
GPSMAP 60CSX	Yes	Yes	No	Yes	Yes	MicroSD Card	1000	No
Polestar Mouse	Yes	No	??	No	No	No	No	No
GlobalSat Mouse	Yes	No	??	No	No	No	No	No

NMEA Out
NMEA 0183 is a standard that send serial ASCII data (usually at 4800 baud) with information of your londitude, Latitude, speed and a lot more.

NMEA In
Some GPS units allow NMEA data to be sent to them, this often is display on the screen as waypoints.

NMEA 1.5
Does the GPS unit support NMEA 1.5 as early Kenwood TH-D7 need it.

Maps
Does the GPS unit have built in maps.

Upload maps
Can you upload new maps to the unit, a good source of free maps for garmins is Velo maps.

Storage
How much space is availble to store maps.

Max Stations
How many stations can the unit support.

Icons
Does the unit support Kenwoods station icons.