GPS World, January 2018
JANUARY 2018 15 OEM 16 SURVEY MAPPING 16 TRANSPORTATION 17 UAV BY Bradford Parkinson This months lead editorial System of Systems and PNT Roundup all cede place to an in depth guest column confronting the latest looming danger Such Ligado transmitters effectively become jammers for many existing GPS receivers I believe that this possibility is the greatest current threat to the PNT community JANUARY 2018 WWW GPSWORLD COM GPS WORLD 3 OUT IN FRONT 6 A GRAVE THREAT TO GPS AND GNSS INNOVATION OPINIONS AND DEPARTMENTS 4 ONLINE NOW 8 EXPERT OPINIONS What is the biggest challenge facing designers of multi constellation GNSS receivers today BY Javad Ashjaee 9 TAKING POSITION Brilliant Beautiful and the Basis of Bluetooth 42 AD INDEX 50 SEEN HEARD VOL 29 NO 1 GPSWORLD COM COV E R S TORY LAUNCHPAD MARKET WATCH 35 OEM 38 SURVEY MAPPING 39 TRANSPORTATION 40 UAV 18 Positioning with Android GNSS Observables by Stuart Riley Herbert Landau Victor Gomez Nataliya Mishukova Will Lentz and Adam Clare For those who want high accuracy but dont need it full time high productivity dedicated professional solutions may not be cost justified In these cases a positioning as a service subscription could offer a viable use model Achieving precision positioning with just a standard mobile device a correction stream using the mobile devices data connection and a highaccuracy positioning application produces a very low barrier to achieving high accuracy UPDATES 41 MOBILE 41 DEFENSE 42 MACHINE CONTROL 43 GETTING BETTER ALL THE TIME The Continued Evolution of the GNSS Software Defined Radio BY James T Curran Carles Fernández Prades Aiden Morrison and Michele Bavaro
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