GPS World, February 2016
FEBRUARY2016 JAGER UAV S1 2016 ANTENNA SURVEY After choosing the most appropriate receiver for your application from the Receiver Survey in the January issue you may need an antenna too We have collected key specifications for 320 antennas from 30 manufacturers OPINIONS AND DEPARTMENTS FEBRUARY 2016 WWW GPSWORLD COM GPS WORLD 3 SECTOR UPDATES 57 MOBILE 58 TRANSPORTATION 60 DEFENSE 61 MACHINE CONTROL 6 OUT IN FRONT The Ethics of Autonomy BY Alan Cameron 7 TAKING POSITION Unsung Heroes of the Industry BY Tracy Cozzens 7 EXPERT OPINIONS 8 SYSTEM OF SYSTEMS GPS III Bidding Opens Again First GPS III Satellite Passes Critical Test U S Coast Guard Marine Safety Alert IRNSS Launches Fifth Satellite 10 PNT ROUNDUP Inertial Effort Underway for MGUE Lidar Market Report RoboParachute Drops 12 LAUNCHPAD New OEM Survey and UAV products 69 RESEARCH ONLINE 69 ADVERTISER INDEX 70 SEEN HEARD MARKET WATCH APPLICATIONS TRENDS AND NEWS 16 OEM 39 SURVEY 42 MAPPING 44 UAV SPECIAL 24 PAGE INSERT VOL 27 NO 2 GPSWORLD COM FEATURE COVER STORY 62 INNOVATION NULL STEERING ANTENNAS Assessing the Performance of Multi Antenna Interference Rejection Techniques BY James T Curran Michele Bavaro and Joaquim Fortuny Guasch Several factors affect the levels of signal rejection using antenna arrays Our authors describe experiments to assess the bounds the factors impose on its signal rejection capability 48 ANTENNA PILOTS UAV BY Adrien Perkins Louis Dressel Sherman Lo and Per Enge A jammer hunting UAV employs a radio frequency RF detection system and a navigation control scheme
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