second-channel
| frequency
| second channel | |
| el. | bildkanal |
| frequency | |
| gen. | periodicitet |
| comp., MS | frekvens |
| math. | frekvens |
| |||
| bildkanal | |||
|
second-channel : 3 phrases in 2 subjects |
| Communications | 1 |
| Electronics | 2 |