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Humpback Whale -- Megaptera novaeangliae More
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1 Adult Male  

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Paul J Perkins
Howard E Winn
15 Feb 1973 at 18:37

    Latitude/Longitude
  • 18.55017   -64.36783
    Elevation
  • -18 meters
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
    Microphones
  • Sennheiser MKH 816P48
    Accessories
    Equipment Note

NOTES: LNS notes: Recordist lowers recording levels after approximately 3 1/2 minutes. Sciaenidae sp., another M. novaeangliae individual, and Odontoceti sp. in background. 02Oct2003 SAS. Reel notes: "1000~ cal 0 DBM = .775 VRMS @ end of reel. Good levels. 1837-1926. Virgin Island Bank. 15 Feb 1973. 200 yds port beam. Distant ASW ping heard too in B.G. 2+ fair calls. Caution croakers heard at times." Sound Recording Log: "Date: 15 Feb 1973. Time start: 1837. Time stop: 1926. Cruise #: A-388. Tape #s: 23. Position: Lat. 18¡33.3N. Long. 64¡22.7W. Species: Humpback. Number: 1 close 1 background. Est. Range: 200 yds at start. True bearing: 070¡T. Rel. Bearing: 280¡. Movements: more/less stationary. Other species present: none seen. Weather: ptly cloudy. Sea state & noise level: 3-mod swell. Depth: 10 fath. Propulsion & aux. noise status: engs. off radar off. Recorder: UNQ-7a. Filters: Open. Gain: 2, then 1 1/2, last 2. Hydrophone: R-130. If hump: # full calls: 2+. Any photos taken? Too dark/ Other notes: 1000~ cal on end of tape, ) dBM = .775 VRMS. After second call, level drops lower, (2 good full calls anyway). Ship drifts near bank of croaker background, not strong levels. Hear also a distant ASW ship pinging. Hear porpoise clicks + squeals near reel end UNK type." SEAOCEAN TEMPAIR: 25

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