// @Description: X position of the base (primary) GPS antenna in body frame from the position of the 2nd antenna. Positive X is forward of the 2nd antenna. Use antenna phase centroid location if provided by the manufacturer.
// @Description: Y position of the base (primary) GPS antenna in body frame from the position of the 2nd antenna. Positive Y is to the right of the 2nd antenna. Use antenna phase centroid location if provided by the manufacturer.
// @Description: Z position of the base (primary) GPS antenna in body frame from the position of the 2nd antenna. Positive Z is down from the 2nd antenna. Use antenna phase centroid location if provided by the manufacturer.