REF TEK(美国)
Refraction Technology
美国RefractionTechnology,Inc.(REFTEK)www.reftek.com美国REFTEKIntroducingRefractionTechnology,Inc.REFTEKwasfoundedin1975toproducequality,nicheproductsfortheland,marineandoilexplorationmarkets.In1981,REFTEK
suppliedadigitaltelemetrysystemtotheUniversityofCalifornia,SanDiegoforuseintheANZAarea.ThisnetworkwasthefirstdigitaltelemetrysystemintheU.S.A.andissuccessfullyoperatingtothisday.IRIS(IncorporatedResearchInstitutionsforSeismology),aconsortiumof104U.S.A.universities,wasformedin1984.IRISfocusedontworesearcharenas:theGlobalSeismologicalNetwork(GSN)andtheProgramforArraySeismicStudiesoftheContinentalLithosphere(PASSCAL).OneoftheprimegoalsofPASSCALwastoprocurealargepoolofportableinstrumentstorecordreflectionandrefractionandpassivebroadbanddataforelucidationofthecrustdowntothemantle.Specificationswereissue