ML 120701

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Humpback Whale -- Megaptera novaeangliae More
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Age/Sex
Identification
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Note

1 Male  

Uncertain

 

 

 

 

Paul J Perkins
7 Feb 1969 at 19:00

    Latitude/Longitude
  • 18.1835   -67.901
    Channels
  • Stereo
    Sampling Rate
    Bit Depth
    Recorders
    Microphones
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    Equipment Note

NOTES: LNS notes: Latitude and Longitude taken from Noon Position Report. 30Jun2004 MLM. Reel box: "7Feb. Humpback playback. Signal levels poor. W-69-65-9 Test." Noon Position Report: "Course: drifting. Distance: 37. Stoppages: 10 for 17hrs45min. Ave. Speed: 5.9. State of Sea: calm. Weather & Wind: clear, light variable breeze." Deck Wildlife Watch: "Date: 7 February 1969. Vessel: Trident. Cruise: #65. Ship's position at start: off Mona Isl. Weather: nice. Wind: 10ENE. Sea state: 1. Visibility: 10." Deck Wildlife Watch: "19:00 to 23:45, tests on 1 Humpback whale." Notepaper: "February 7, 1969. Animal making sounds-different than before? Sounds litte diff. See notes. Fairly high level recording. perhaps high enough to study sequence. Shifted to bow hydrophone, so ruined sequence. Series of playbacks. noise level very high. Playback - (moan and rachet pulses) perhaps somewhat overloaded. couldn't tell whether sequence modif. or not. Playback - (Hawaiian Pilot Whale) couldn't tell. Playback - (Schevilles humpback tape) may have modified sequence, quiter after playback (or record level turned down) or did he surface. Level down so can't hear a thing. Which may be because sev. places. Preplay - record level down. Playback - (high freq. cries) after playback record level brought back up, so again can't tell a thing. Playback - (control noise). Playback - (high freq. cries??) level changed. Have to check sequence. Playback - (moans) level change, brought up after playback. Playback - (high freq. cries) level down after playback, then brought up. SEAOCEAN

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