INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization IIIM141101110101011111 HO 111110111011101101111111101111101111 III International Bureau ... ...... ..... ...,/ (10) International Publication Number (43) International Publication Date WO 2017/156305 Al 14 September 2017 (14.09.2017) WIP0 I PCT (51) International Patent Classification: (72) Inventors: CORUM, James, F.; 100 Chambers Circle, HO1P 3/00 (2006.01) GO1S 17/02 (2006.01) Suite 1010, Waxahachie, TX 75165 (US). CORUM, Ken- GO1S 13/02 (2006.01) neth, L.; 100 Chambers Circle, Suite 1010, Waxahachie, TX 75165 (US). ROSS, John, E.; 100 Chambers Circle, (21) International Application Number: Suite 1010, Waxahachie, TX 75165 (US). PCT/US2017/021627 (74) Agents: SCHOEN, Randy, R. et al.; Thomas / Horstemey- (22) International Filing Date: er LLP, 400 Interstate North Parkway, SE, Suite 1500, At- 9 March 2017 (09.03.2017) lanta, GA 30339 (US). (25) Filing Language: English (81) Designa