| Code/Flag Figure |
Description |
Status |
|
0
|
Reserved
|
Operational
|
|
1
|
Balloon burst
|
Operational
|
|
2
|
Balloon forced down by icing
|
Operational
|
|
3
|
Leaking or floating balloon
|
Operational
|
|
4
|
Weak or fading signal
|
Operational
|
|
5
|
Battery failure
|
Operational
|
|
6
|
Ground equipment failure
|
Operational
|
|
7
|
Signal interference
|
Operational
|
|
8
|
Radiosonde failure
|
Operational
|
|
9
|
Excessive missing data frames
|
Operational
|
|
10
|
Reserved
|
Operational
|
|
11
|
Excessive missing temperature
|
Operational
|
|
12
|
Excessive missing pressure
|
Operational
|
|
13
|
User terminated
|
Operational
|
|
14
|
Sudden loss of signal
|
Operational
|
|
15
|
Tracking lost
|
Operational
|
|
16
|
Increasing pressure
|
Operational
|
|
17
|
Invalid and/or missed data time limits exceeded
|
Operational
|
|
18-29
|
Reserved
|
Operational
|
|
30
|
Other
|
Operational
|
|
31
|
Missing value
|
Operational
|