Robertson AP21 - NMEA Messages

Robertson AP21 and AP22 Autopilots
50 20220596E
3.15 NMEA messages
NMEA messages and data overview for AP11, AP20, AP21, AP22, AP35, AP300X, AP3000(X)
Message ident.
APB APA XTE XTR BOD BWW BWC BWR RMB RMA RMC GLL GGA VTG VHW VWR DBT
Data source:
(n/p/h=nav/pos/heading source, c=calculated)
: nnnnnnnnnppppp
Accept. cond
. (N=no nav. flg warning, P= no pos. flg warning): NNP NNNNPPPPPP
Data type:
Status flag
NNP PPPPP*
Bearing wp-wp true
6542*1*3*
Bearing wp-wp mag.
65 432*1*
Bearing pos-wp true
4213
Bearing pos-wp mag.
321
Course over ground, true
12 3
Course over ground, mag.
1
C ro ss t ra c k e rro r
5431 2
Present position
2314
To-wp position
213
To - w p id e n t .
76 51324
From-wp ident.
31 2
Distance pos-wp
213
Universal Time Coordinated (UTC)
2* 1* 3
Magnetic variation
21* 4 5 3*
Speed over ground
12 3
Speed through water
1
Apparent wind angle
1
Apparent wind speed
1
Depth
2
Tim e t o g o
Log distance
Water temperature
IS11 illumination
IS11 engine hours
Compass heading, true/mag.
Heading steering cmd true/mag
Rudder angle
Messages in: xxxxxxxxxxxxxxxxx
Messages out:
Transmission interval in sec. ->
If Instrument port (ref inst.setup) ->
* Only when new setting ->
510102222
Highest number for
first priority if more
input messages with
same data