Private LTM stanzas

Overview

mwp receives private LTM messages from fl2ltm during BlackBox replay. These stanzas provide data not otherwise transported over LTM. Each of these stanzas uses a lower case signature.

List of private messages

Id	Usage	Payload
a	Current usage	uint16 (2 bytes). CentiAmps
q	Flight duration	uint16 (2 bytes) Flight time in seconds
r	RC (Stick) values	4 x int16 (8 bytes) AERT
w	Wind Vector	3 x int16 (6 bytes) x,y,z components
x	Disarm reason	uint8 (1 bytes)