Operation Manual

Apelco GPS11 Installation and Operation Handbook

-APB Automatic pilot format B

$APB, A, A, x.x, a, N, A, A, x.x, a, c--c, x.x, a, x.x, a *hh<CR><LF>

Heading to steer to destination waypoint magnetic or true

Bearing, Present position to destination magnetic or true

Destination waypoint ID

Bearing origin to waypoint magnetic or true

Status: A = perpendicular passed at waypoint

Status: A = arrival circle entered

XTE units, nautical miles

Direction to steer L/R

Magnitude of XTE (cross track error)

Status: A = Data valid or not used,

V = Loran-C cycle lock warning flag

Status: A = Data Valid

V = Loran-C blink or SNR warning

V = General warning flag for other navigation systems when a reliable fix is not available

-BWC Bearing and Distance to Waypoint

$BWC, hhmmss,llll.lll, a, yyyyy.yyy, a, x.x, T, x.x, M, x.x, N, c--c *hh<CR><LF>

Waypoint ID

Distance, nautical miles

Bearing, degrees magnetic

Bearing, degrees true

Waypoint longitude, E/W

Waypoint latitude, N/S

UTC of observation