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(11)

EP 2 850 464 A1

(12)

(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 12876812.4 (22) Date of filing: 17.05.2012

(51) International Patent Classification (IPC):  G01V 3/10(2006.01) G01V 3/165(2006.01) (86) International application number: PCT/CA2012/050322 (87) International publication number: WO 2013/170340 (21.11.2013 Gazette 2013/47)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Geotech Airborne Limited BB12002 St. Michael (BB)	(72) Inventor: DODDS, Jack Aurora, Ontario L4G 1K9 (CA) (74) Representative: MERH-IP Matias Erny Reichl Hoffmann  Paul-Heyse-Strasse 29 80336 München 80336 München (DE)