ML 110875

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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
19 Feb 1972 at 11:16

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  • Sennheiser MKH 816P48
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NOTES: LNS notes: Recording stopped due to technical problems. Started back up approximately one minute later (see LNS# 110876 for continuation). Same individual as LNS#s 110872-110874. 10Oct2003 SAS. Reel notes: "Time start 1116. Time end 1202. Calling humpback. 19 Feb 1972. 1/2-1 mi range. Some interrupt due to malfunction of recorder towards end of tape. 2 surf, 1st one too weak." Tape log: "SHL-1-12 19 Feb 1972 Time 116. On R-130 engines secured. We have since moved up and continue to track the same animal as previous reel. Signal level is good, shrimp snaps are present. Animal blows on time. Starts a new call about 3/4" in. Signal is getting poor, animal about 1 mile away - about 1/3 way in the reel, there is a slight level change due to ship's power line fluctuations. Animal signal level fair to good near tape mid section - animal blows before regular sound schedule - goes on into full call, signal fair to good till end of call near end of tape, there is a very long drawn out ratchet phase at end of his call period. Maybe less than 1 minute of lost time when recorder problem developed near surface phase." SEAOCEAN

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