12 Mar 1979
- SONY UNSPECIFIED MODEL
- Sennheiser MKH 406
NOTES: Notes from recording log: "Cruise: Osprey, Earthwatch I. Time: 1104-1152. One close humpback. Weather: scattered clouds. Recorder: Sony cassette, Eico pre-amp. CL-54 hydrophone. Gain: 10. Est. number of songs: 3+. Depth: 14 fathoms. Propulsion & aux. noise: mainsail & jigger less than a knot. Continuation of same animal from Tape #6 - 31 seconds between tapes. Batteries in Sony reading 83% at 210 inches. 0-743 inches."
Includes 440Hz calibration tone. SEAOCEAN