second-channel
| frequency
| second channel | |
| el. | peilikanava |
| frequency | |
| gen. | taajuus |
| commun. | ilmestymistiheys |
| comp., MS | taajuus |
| ed. | yleisyys; lukumäärä |
| health. | abundanssi |
| math. | frekvenssi; tiheys |
| |||
| peilikanava | |||
|
second-channel : 4 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 2 |
| Radio | 1 |