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BGS OpenGeoscience API / Collections / Offshore Survey Overview / Items / Item 202 json jsonld

Item 202

Property Value
id 202
mdfileid_nerc_guid abc9f747-53c1-0f38-e044-0003ba9b0d98
cruise_area CP2 Regional Sea Boundaries: Northern North Sea, Scottish Continental Shelf, Offshore 1:250k: Bergen Bank, Bosies Bank, Bressay Bank, Caithness, Fair Isle, Fladen, Foula, Halibut Bank, Lewis, Ling Bank, Orkney, Shetland, Sutherland, Viking, Offshore 1:500k: Faroe Shetland Basin, North Rockall Basin, SeaVoX Sub-Ocean: NORTH SEA, NORTHEAST ATLANTIC OCEAN (40W)
end_date 1982-08-29 00:00:00
abstract Report: Brett, CP. 1982. Operations report on project 82/04, a regional geophysical survey in the northern North Sea. (IGS Report No 130)
end_date_est Estimated
cruise 1982/4
additional_info Positioning systems: Magnavox satellite navigation system integrated with MX610 dopplar sonar and Arma Brown Mk1 Mod 5 or Mk1C gyro compass. Also Decca main Chain receiver with optional integration with the above. Data logged to a Camac data logger or Monitor Labs 9400 data logger Echo sounder system: Atlas Deso 10 wit hull mounted transducers and Edig 10 digitiser unit Side scan sonar systems: UDI AS350 dual channel sidescan with catamaran tow fish. Display was on an EPC 3200 graphic recorder. Also a Kelvin Hughes Ms47 transit sonar, hull mounted. Airgun system: Bolt 600B, 2 guns with standar (1-40 cubic inch) range of chamber sizes, Kemi bandpass filter, TSS Model 307 TVG amplifier and display on a EPC 4600 or EPC 3200 graphic recorder. The hydrophone was a Geomecanique 2 channel, 30m, or 50m. Watergun system: Soder Mica-T 80 cubic inch syste, with recording as for the airgun Sparker system: EG&G sparker with up to 5kJ. One 3-element and 1 9-element spark array, Kemo bandpass filter, TSS Model 307 TVG amplifier, TSS Model 302 swell filter and display on a EPC 4600 or EPC 3200 graphic recorder. The hydrophone was a Teledyne 7 channel 10m system. Pinger system: Edo Western 248 pinger, 3.5kHz, 10kW hull mounted transducer. Used with TSS Model 302 swell filter and displayed on a EPC 3200 graphic recorder. Huntec deep-tow boomer: system fitted with adaptive processing unit, Krohn-hite filter and display on a EPC 3200 graphic recorder. Gravity meter: LaCoste and Romberg S75 air-sea system. Worden land gravity meter used for land ties. Magnetometer: Barringer proton magnetometer. For more detailed information see the Cruise Report.
confidentiality unclassified (open file)
cruise_alias None
nav_equip_type Decca Main Chain, Transit satellite
accessuse_restric unrestricted use, copyright acknowledgement
restitle Geophysical Survey 1982/4: Northern North Sea (10/07/1982 to 29/08/1982)
geophys_equip_type Airgun/Sleeve Gun, Deep Tow Boomer, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sidescan Sonar, Sparker
terms_of_use Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced British Geological Survey materials "Contains British Geological Survey materials ©UKRI [year]"
ship MV Sperus
samp_equip_type None
terms_of_use_url http://nationalarchives.gov.uk/doc/open-government-licence/version/3/
client British Geological Survey
start_date 1982-07-10 00:00:00
contractor British Geological Survey
start_date_est Estimated
cruise_data_url None