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Cruise report 21SIRENA 2 / D274 Cruise RRS Discovery Govan, Sept, 12 th – Ponta Delgada, Oct, 1 st , 2003----------------------------------------------------------------------------------------------------------------------Site S5 (49°51.3255 N; 24°34. 3195 W)Hydrophone name - HS5Acoustic release - Benthos 1050MooringDate - May, 29 th , 2002 09:22 GMTAnchor drop position - 49 o 51.2524’N, 24 o 34.4461’WCable length - 3400 m (1000m Vectron, 2000m VLS,200mVLS, 200mVLS)Bottom depth - 4200mRecoveryDate - sept., 17, 2003 14:15 GMT (released)Anchor position - 46°59.9195N; 22°09.7787WBottom depth - 4200 m (3-D solution with 6 ranging stations)Weather : - SW veering W 4, good visibility- arrive on site at 11:50 Z- release enabled at 11:53- start ranging at 12:00. Ranging successful (6 stations)- try to release around 13 :00.- released at 13:27- hydrophone surfaces at 13:37, 300 m off the starboard bow- 14:08 buoy on fantail- 14:15 hydrophone on deck, start to wind up mooring line- 15:50 release on the deck, start steaming to S4Hydrophone S5 recorded 976 data files (including the shut-down file)