Report: Brett, CP. 1982. Operations report on project 82/04, a regional geophysical survey in the northern North Sea. (IGS Report No 130)
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.
Geophysical Survey 1982/4: Northern North Sea (10/07/1982 to 29/08/1982)
unrestricted use, copyright acknowledgement
Airgun/Sleeve Gun, Deep Tow Boomer, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sidescan Sonar, Sparker
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]"
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)