| LC control no. | sh 85124813 |
|---|---|
| LC classification | VK388 VK560 Navigation VM480 Electronic equipment on ships |
| Topical heading | Sonar |
| Variant(s) | Asdic Echo ranging Sound navigation ranging |
| See also | Detectors Electronics in navigation Signals and signaling, Submarine Ultrasonic equipment Underwater acoustics |
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