frequency shift
| signalling
| frequency shift | |
| el. | frekvensskift; frekvensshiftmodulation |
| signal | |
| gen. | signalera |
| signalling | |
| commun. | automatisk signalering |
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| frekvensskift | |||
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| frekvensskift | |||
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| frekvensshiftmodulation | |||
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frequency shift : 33 phrases in 5 subjects |
| Communications | 12 |
| Electronics | 15 |
| Information technology | 3 |
| Technology | 1 |
| Telegraphy | 2 |