Cruise inventory

Sperus 2/77 Leg 2

Cruise summary report

Cruise Info. 
Ship name (ship code)Sperus (74TJ)
Cruise identifier2/77 Leg 2
Cruise period1977-04-21 — 1977-05-03
StatusCompleted
Port of departureLeith, United Kingdom
Port of returnNewcastle, United Kingdom
PurposeResearch
ObjectivesGravity survey: Area A.

Satellite navigation system calibration.
Routine surveying with 2 gravity meters, magnetometer, pinger and echo-sounder.
Magnetometer not operational until 29th April.
Chief scientistMichael C Tully (Institute of Geological Sciences, Edinburgh)
Cruise reportSperus 2/77 Leg 2 cruise report sperus2_77.pdf — access key 'C' (14.75 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea
Track chartsSperus 2/77 Leg 2 cruise track — sperus2_77_a.pdf (00 MB)  Sperus 2/77 Leg 2 cruise track — sperus2_77_all.pdf (00 MB) 
Measurements 
Geology and geophysics 
Single-beam echosounding
Seismic refraction
Gravity measurements
Magnetic measurements