Garmin GPSmap 76C Accuracy Tests under Tree Cover as compared to the SporTrak Color
Both units were run with WAAS On.  (Graphics by SA Watch)

Summary:
      RUN     UNIT   95% ERROR#  DRIFT/min    AVG. ERROR*    ENDING TIME   RUN TIME
     1.    Map 76C   9.7m        5m        3.5m @ 113°    12:48pm       30 Min.
     2.    ST Color  1.6m        1m        0.4m @ 134°     1:47pm       30 Min.
#In one dimension  *In 2 dimensions


Garmin GPSmap 76C


Magellan SporTrak Color