The last line of the header may be used to name the grid fields (columns).
Example:
<HeaderTag Header Info
<HeaderTag Name, Lat, Long, Ht
Data
Column C1 will be named Name
Column C2 will be named Lat
Column C3 will be named Long
Column C4 will be named Ht
Note: The Calculator will recognize Name as being a header record only if it meets the criteria specified in the Header Records area.