Owner's manual

User Guide
19
11.3 Messages with METAR Present Weather Codes
METAR Present Weather Basic Format
STX
Message ID
Sensor ID
System status
Visibility distance
Visibility units
METAR Code
Checksum (CCITT)
EXT
Carriage return
Line feed
0x02
6
M or F
XXXX
0x03
0x0D
0x0A
METAR Present Weather Partial Format
STX
Message ID
Sensor ID
System status
Message interval
Visibility distance
Visibility units
User alarms
Particle count (minute)
Intensity (mm/h)
SYNOP Code
METAR Code
Temperature (deg C)
Relative humidity*
Checksum (CCITT)
EXT
Carriage return
Line feed
0x02
7
M or F
0 0
XXXX
0x03
0x0D
0x0A
METAR Present Weather Full format
STX
Message ID
Sensor ID
System status
Message interval
Visibility distance
Visibility units
Averaging duration
User alarms
System alarms 12 characters
Particle count (minute)
Intensity (mm/h)
SYNOP Code
METAR Code
Temperature (deg C)
Relative humidity*
Checksum (CCITT)
EXT
Carriage Return
Line feed
0x02
8
M or F
0 0
0 0 0 0 0…
XXXX
0x03
0x0D
0x0A
*Note: relative humidity is only available if a CS215 temperature and RH sensor is attached. If not this field is “-99”.