Message 7 - Vaisala PWD22 User Manual

Chapter 5__________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 61

Message 7

Message 7 is meant for aviation specific purposes mainly. The
message format is same as in FD12P message 7.
00 6839 7505 R 61 61 61
--- instant present weather code, 0 ... 99
---- instant present weather, NWS codes
------ visibility ten minute average, max 20000m
------ visibility one minute average, max 20000m
- 1=hardware error, 2= hardware warning,
3= backscatter alarm, 4= backscatter warning
- 1= visibility alarm 1,
3= visibility alarm 3
-RA , instant METAR weather codes
RERA , recent METAR weather (RE criteria used)
The following is an example with frames:
PW 1 00 6839 7505
-RA
RERA
PW 1 00 6839 7505
-RA
RERA
1234567890123456789012345678901234567890123456789012345678901234567
Message 7 consists of three lines. METAR present weather codes are
output on the second and third lines. These lines are not of fixed
length because METAR codes can be combined in many ways. The
METAR codes may also be left out but the lines of the message are
always terminated by a carriage return and line feed characters.
0.33 12.16
------- cumulative water sum
------- prec. water intensity,mm/h
--- 1 hour pw code, 0... 99
--- 15 minute pw code, 0 ... 99
2= visibility alarm 2,
R 61 61 61 0.33 12.16
R 61 61 61 0.33 12.16
0 23.4 12345
-----
background
luminance,
cd/m²
------ Temp
----- cum. snow sum
0 23.4 12345
0 23.4 12345