ML127182

視聴覚メディア・ノート

NOTES: LNS notes: Use caution with this recording. The original tape was off speed and playback for archival was at 4.02 ips, calibrated by the recordist's 440Hz tone. 31Jan2006 SAS. Sound Recording Log: "Date: 11 APR 1975. Time start Rec. 1158 Time stop Rec. 1235. Boat: Erline. Tape # 4. Position: by Argus Tower. Species: humpbacks. Weather: overcast 20-25 kt winds. Sea state & noise level: 8'-12' sea (est.). Depth: approx 30 fath. Propulsion & aux. noise status: all secured. Recorder: Uher. Uthica Gain: 30 -3dB 100. Hydrophone: Ch-1a. Other notes: Ship rolling heavily; possible porp squeals thought earlier turn out to be mechanical linkage aboard Erline (when ship rolls). 11% speed variation. Fair tape to print out, at least 2 full calls from a close animal, this encounter was not correlated." SEAOCEAN.