===== Elevation ======

==== Elev() ====

Returns the elevation as reported by a GPS.

=== Description ===

<code>Elev()</code>

Returns the elevation in meters as reported by a GPS module. If no positioning data is available (or no GPS is attached), this will return 0.

=== Parameters ===

none

=== Return value ===

This function returns the most recent reported elevation.

=== Example usage ===

<code>Elev()</code>