Accuracy Tests of Magellan Meridian Gold and Map-330
Both units contained active WAAS.  (Graphics by SA Watch)
Summary:
Under Moderate Tree Cover
      RUN     UNIT   95% ERROR#  DRIFT/min    AVG. ERROR*   ALT. ERROR  ENDING TIME   RUN TIME
     1.     Gold      2.9m        0m        2.5m @ 004°      ?         10:31am       32 Min.
     2.     M-330     2.2m        0m        1.9m @ 015°      ?          8:40pm       40 Min.

Over a Survey Station in the Clear

     3.     Gold      2.5m        0m        2.2m @ 040°     -2m%       11:31am       30 Min.
     4.     M-330     2.6m        0m        2.2m @ 018°     +1m%       12:07pm       30 Min.
     5.    Map 76S    2.4m        3m        0.7m @ 005°     +1m%        3:33pm       30 Min.
     6.      Pro      0.5m        0m        0.2m @ 066°     -1m%        2:56pm       30 Min.
# In one dimension  * In 2 dimensions  ? Altitude not accurately known  %Station elevation=315m

Under Moderate Tree Cover

Meridian Gold


Magellan Map 330

Over a Survey Station in the Clear

Meridian Gold


Magellan Map 330


Garmin GPS map 76S


SporTrak Pro

The next graphic was recorded while the above data was still being collected; however, the unit was moved about 2 meters south to see, if it was still "alive"!.  Apparently it was.


SporTrak Pro moved about 2m south