Paul J Perkins
10 Apr 1968
- 33.46683 -74.73333
NOTES: MLNS notes: much low-frequency cable noise.
Tape notes: Hear a new knocker with doublet pulse echo? First heard maybe on Station 1/6 (reel6?) Herein referred to as the POPPER (Clip-clops) SEAOCEAN TEMPWATER: 22