b'CommitteesASEG newsASEG Technical Standards Committee: Technical standards for airborne magnetic and radiometric dataSince it began acquiring airborneTechnical Standards for Airborne Magneticgeophysicists to ensure practicality magnetic data over onshore Australiaand Radiometric Data covers thewithout sacrificing data quality.in 1951, Geoscience Australia (GA)acquisition, processing and supply of has been committed to acquiringairborne magnetic, horizontal magneticThe technical standards are available for airborne geophysics for regionalgradient and radiometric data. For eachdownload here:geological understanding. Today,technique there are specifications forhttps://ecat.ga.gov.au/geonetwork/srv/GA is the custodian of Australiasequipment, calibrations, quality controleng/catalog.search#/metadata/147457national compilations of magneticchecks, reporting and data formats.and radiometric datasets, the qualityThese technical standards wereAs always, we welcome feedback and any of which is underpinned by a setdeveloped over many years usingsuggestions for improvement.of technical standards. In Marchpublished information and working 2023 these technical standardsThe Technical Standards Committee can with the ASEG and contractors to ensurebe contacted via technical-standards@were published for the first time,accurate and repeatable data. The highlighting the requirements GA hasaseg.org.au.latest version of these standards has for magnetic and radiometric databeen compiled in collaboration withJames Goodwin on behalf of the to become part of those nationalindustry experts and peer reviewedASEG Technical Standards Committee compilations. across a number of government agencyJames.Goodwin@ga.gov.auASEG History Committee: Current nominations for ASEG milestones in electrical and electromagnetic exploration geophysicsThe ASEG History sub-committeeThe nominations were submittedThe fourteen approved nominations are (P Gidley, S Collins, J Macnae and Mby various ASEG Members on thea very worthy company of Australian Smith) established for the compilationstandard Nomination Form, and havegeophysicists and colleagues, who have of a listing of Australian milestonesbeen verified through discussion andmade a significant technological advance in electrical and electromagneticamendment among the sub-committeein either electrical or electromagnetic exploration geophysics has to datemembers. Further nominations wouldexploration geophysics.endorsed fourteen nominations for thebe welcomed by the coordinator at theMike Smith listing (Table 1). mike_rpgeo@optusnet.com.au mike_rpgeo@optusnet.com.auTable 1.ASEG electric/electromagnetic milestones (in chronological order) Start To Description of milestone Innovator/Nominee1 1970s 1980s Direction over several decades of a large team of CSIRO scientists whose work led to theDr Ken McCracken AOcommercial manufacture of the successful exploration instrument SIROTEM2 1970 2021 Development of theoretical and mathematical innovations in the field of transientDr Terrance John Lee (Terry Lee)electromagnetic geophysical applications3 1971 The Palmer Mk I TEM Instrument Bob Richardson, Lew Richardson and Mike Palmer4 1973 2022 Confirmation of non-linear electrical effects in mineralised rocks R M S (Bob) White5 1975 1990 Establishment and leadership of the Centre for Geophysical Exploration Research atProf Keeva VozoffMacquarie University6 1975 2020 The Dual Loop configuration of the transient electromagnetic system, subsequentlyDr Brian Spiesdeveloped as Infinitem7 1977 1990 Development of the SIROTEM time domain electromagnetic system, a highly improvedDr Jock Buselli and Brian ONeillEM exploration method for the Australian environment8 1980 Development of the SMARTem electrical methods geophysical receiver Dr Andrew Duncan9 1980 Advanced electromagnetic modelling Drs Art Raiche, Freddi Sugeng and Glenn Wilson10 1981 Achieving the estimation of quartz fabrics from piezoelectric measurements Dr John Bishop11 1991 1993 The SAM and SAMSON technologies Malcolm K Cattach, John M Stanley, Stephen J Lee, David Boggs12 1996 2001 Development of the TEMPEST airborne EM system, a role which required Richard toDr Richard John Llewellyn Laneintegrate engineering, geophysical and software development13 2007 Development of LANDTEM, which proved that cryogenic techniques can be successfullyDr Keith Leslie, Dr Cathy Foley (and collaborating deployed in real-world field situations colleagues at CSIRO)14 2019 The design and testing of ARMIT magnetic field sensors for EM systems Dr James MacnaeAPRIL 2023 PREVIEW 6'