[BC] GPS Datum

[Martin Acuff]

The Datum is selectable with my GPS.  There are MANY choices of Datum.  For example, there are 11 unique data references under the NAD27 category. 

There are comparisons of NAD27 and NAD83 here:

      <http://en.wikipedia.org/wiki/NAD27#Comparisons_Between_NAD27_and_NAD83 >

At 23:52 6/16/2012, Broadcast List USER wrote:
>I'm not sure, but I believe every GPS receiver uses World Geodetic 
>System (WGS) 1984, not not NAD 83 or NAD 27..