code sending
| radiosonde
| code sending | |
| tech. | 发码 |
| radiosonde | |
| gen. | 无线电探空 仪; 气象气球 |
| agric. | 无线电高空探测仪 |
| el. | 无线电测距仪 |
| rem.sens. | 无线电探测器 |
| rem.sens. од. | 无线电探空仪 |
| |||
| 发码 | |||
|
code sending : 7 phrases in 5 subjects |
| Agriculture | 1 |
| Communications | 2 |
| Electronics | 1 |
| Rail transport | 2 |
| Space | 1 |