electronic apparatus for synchronizing seismic sources in marine geophysical exploration and electronic equipment; namely, a multi-programmer, specially designed interface tape transports, a geomechanic interface, screens, plugging wires, guns, and sensors designed to be fixed on the guns to capture signals used in conjunction with a computer in the field of marine geophysical exploration for acquiring radiopositioning data, recording raw navigational data together with non-seismic data and processing received data

'acquir':57 'apparatus':2 'captur':41 'comput':48 'conjunct':45 'data':59,63,69,73 'design':20,33 'electron':1,12 'equip':13 'explor':10,55 'field':51 'fix':36 'geomechan':25 'geophys':9,54 'gun':30,39 'interfac':21,26 'marin':8,53 'multi':17 'multi-programm':16 'name':14 'navig':62 'non':67 'non-seism':66 'plug':28 'process':71 'programm':18 'radioposit':58 'raw':61 'receiv':72 'record':60 'screen':27 'seismic':5,68 'sensor':32 'signal':42 'sourc':6 'special':19 'synchron':4 'tape':22 'togeth':64 'transport':23 'use':43 'wire':29

providing navigational and positioning information via short-wave radios

'inform':5 'navig':2 'posit':4 'provid':1 'radio':10 'short':8 'short-wav':7 'via':6 'wave':9

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