[CF-metadata] Proposed Standard Names

From: Chris Webster <cjw>
Date: Wed, 27 Jul 2005 13:22:33 -0600

>> In the aircraft world, platform_heading is the direction the vehicle is
>> pointed, true_heading is the direction of travel.
>
>
>
> On ships, true_heading is the gyro reading, corrected for magnetic
> declination. Course is the direction of the ship's movement, generally
> acquired from gps.
> I think that these terms are standard in the sea-going oceanographic
> community,
> so the difference vs the aircraft defs may lead to problems at some point.

My mistake, the PHDG & THDG are as you describe, track_angle is our
direction of travel.

--Chris
Received on Wed Jul 27 2005 - 13:22:33 BST