User's Manual

23
MESSAGE FORMATS
RADAR EVENT MESSAGES
Detect Message / 02 Message Format
Name Size / Bytes Value Notes
STX 1 2 Start of message byte
MT 2 02 Message Type
, 1 ‘,’ Comma
Message Time
8
DDDDD.DD Time of message in seconds.
0 to 86400.00 seconds
, 1 ‘,’ Comma
Target Number 2 XX Target number
, 1 ‘,’ Comma
Number of
Targets
2 XX Total number of targets detected in
the current frame.
, 1 ‘,’ Comma
Direction
‘D’
1 A’ = Approaching Target
‘R’ = Receding Target
‘X’ = Simulated approaching target
‘Y’ = Simulated receding target
Direction the target is travelling.
, 1 ‘,’ Comma
Speed 5 ‘DDD.D’ Target speed to one decimal place
in decimal format
, 1 ‘,’
Speed Units
‘U’
1 ‘M’ = MPH
‘K’ = KPH
The speed units used for the
measurement
, 1 ‘,’ Comma
Range to Target
OR
Y-range to Target
5 ‘DDD.D’ Target range in metres OR
Y-range to target in metres
(depending on Coordinate Type)
, 1 ‘,’ Comma
Angle of Arrival
OR
X-range to Target
5 ‘±DD.D’ Angle of Arrival in degrees OR
X-range to target in metres
(depending on Coordinate Type)
, 1 ‘,’ Comma
Coordinate Type
‘C’
1 ‘P’= Polar
‘C’= Cartesian
Coordinate Type used for positional
information
, 1 ‘,’ Comma
Target Amplitude 5 ‘DDD.D’ Target Power Amplitude in dB
* 1 ‘*’ Asterisk
Check Sum 2 ‘XX’ Check sum in hexadecimal format
ETX 1 3 End of message byte