Paul J Perkins
26 Mar 1978
- waterbody:North Pacific OceanTres Marias; Isla Maria [Magdalena?], near Isla [Maria] Cleofas.
- -183 meters
- Electro-Voice DO54
NOTES: Fourth of short samples at listening stations (not all digitized). On orange cruise track around Isla Maria Magdalena. This was listening station #8 on this date. Includes 440Hz calibration tone. 6.25 miles 210¡ from Cumbre. Depth: >100 fathoms. Weather: clear, sunny, wind 4-6knts. Sea state and noise level: 1-2. Filters: 100Hz conditioner. Recorder: Uher 4200; gain: 26. SEAOCEAN