GPS World, December 2011
EXPERT ADVICE FIGURE 1 There are demonstrated well known attacks that can cause receivers to output misleading information without warning Many of these attacks can be detected using simple methods Some receivers incorporate detection and countermeasures techniques Many dont Receiver certification provides GPS buyers with a starting point for selecting GPS receivers Certified receivers can accurately report on interference so it can be located and stopped www pnt gov advisory 2011 11 AsteRx m Twice the might at half the power AsteRx m is unique It is the only receiver on the market that can off er full dual frequency GPS only RTK capability while consuming less than 500 mW and GPS GLONASS RTK at less than 600 mW It is also the only receiver of comparable size that covers the functionality range from GPS L1 only to full GPS GLONASS L1 L2 providing the same performance robustness and availability as full size state ofthe art dual frequency RTK receivers Measuring only 70 by 48 mm AsteRx m combines innovative power saving technology with Septentrios proven GReCo3 GNSS ASIC and GNSS suite of tracking and positioning fi rmware It makes high precision RTK positioning available in a very compact and low power package for handheld devices unmanned vehicles and other power sensitive high accuracy applications LOGAN SCOTT has more than 32 years of military and civil GPS systems engineering experience At Texas Instruments he pioneered approaches for building high performance jamming resistant digital receivers While at Omnipoint a cellular carrier he developed cross system interference mitigation strategies He holds 33 U S patents Visit us at www septentrio com www gpsworld com December 2011 GPS World 13
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