GPS World, December 2018

DEFENSEUPDATE Photo NATO Norway Finland Suspect Russia of Jamming N ATO conducted its largest military exercise since the Cold War in the frigid waters and icy mountains of Norway Oct 25 Nov 7 During the final days of the Trident Juncture exercise GPS signals guiding ships aircraft tanks trucks and troops began to fail Tracking screens flickered and positions were suddenly wrong from a few meters to hundreds of kilometers Civilian airliners cars trucks cargo ships and smartphones operating in and around Norway and Finland experienced similar disruptions Norway based airline Wideroe told The Barents Observer that its pilots were reporting the loss of GPS signals when flying to airports in northern Norway and Finland Airfields affected ranged from Kirkenes on Norways border with Russia to Lyngen in Troms much further west Russia is the chief suspect of jamming the signals in reaction to the massive size and proximity of the military exercises Russia also has recently conducted massive military exercises in the Baltics It is possible that Russia has been the disrupting party in this Finlands Prime Minster Juha Sipila told local media Russia is known to possess such capabilities Trident Juncture involved all 29 NATO alliance members Neutral Sweden and Finland also took part amid growing uncertainty over Russias ambitions in the tense region Anti Jam Antennas Advance aboard Army Vehicles N ovAtels GPS Anti Jam Technology GAJT now rides into battle and military exercises aboard the Canadian Armys Artillery Observation Post Vehicles OPV that have been fitted with the GAJT 710ML antenna OPVs are highly mobile vehicles that perform observation reconnaissance and patrolling missions surveying and acquiring strategic targets and relaying instant accurate target coordinates acquisition to artillery fire command systems With their exposed position on the frontlines of the battlefield OPVs can encounter severe GPS jamming aimed at crippling their capabilities OPVs require reliable position navigation and timing PNT not only to safely and effectively navigate on the battlefield but to provide reliable information to artillery in the rear GAJT provides protection for GPS navigation and precise timing receivers from intentional jamming in electronic attacks ensuring that the satellite signals necessary to compute position and time are always available Trials with the Canadian Armys testing unit validated the technology maintaining access to the GPS signal in an adverse signal environment Trident Juncture A U S Marine Joint Terminal Air Controller left confers with a pilot after landing near Keflavik Iceland on Oc t 17 in the initial phase of the exercise 8S WR FKDQQHOV 6PDUW GHVLJQ PD LPXP SURGXFWLYLW 7KLUG JHQHUDWLRQ LQFOLQH PHDVXULQJ 3HUIHFWO DFKLHYHV SUHFLVH PHDVXUHPHQWV L L FRQQHFWLRQ 5HDOL HV HE8 FRQWURO ZKLFK LV GHVLJQHG WR PRGLI VHWWLQJV DQG PRQLWRU WKH UHFHLYHU VWDWXV dZ_ TV hhh W ZW T 68 28 2 2 7 e d ac WVddZ_ R FX DIBODF FX TVDDFTT XWWLQJ HGJH 57 UHFHLYHU 0XOWLSOH VRIWZDUHV LQFOXGLQJ QGURLG EXQGOHG WKLUG SDUW VRIWZDUHV LHOG HQLXV 6XUY RSWLRQDO DECEMBER 2018 WWW GPSWORLD COM GPS WORLD 47