Donald K Ljungblad
20 Feb 1978
NOTES: LNS notes: Confidence interval assigned by MLNS. Animal held captive in raft with suction cup hydrophone attached to head. 12Jul2006MLM. Reel box notes: "Set #22 - Mon 20 Feb 1978. Queen Mary single spinner - in air with suction cup hydrophone. 15 ips, LC10, Celesco 50 dB. amp (Gain + 50 dB) F.A. Nagra (Atten = +30) Ch 1 - data. No voice track - first few whistles highly over modulated."