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(Click for frequent words.) 43 Kamri Chester 40 NEFSC 40 Navman marine 39 Vladimir Romanovsky 38 multibeam sonar 38 flaik 38 Global Positioning System 37 Foretrex 37 eLoran 36 LightSquared transmitters 36 Trimble GNSS 36 GPS 36 Differential Global Positioning 36 echo sounders 36 Per Enge 36 UAVSAR 35 Global Positioning Satellite 35 sand spreaders 35 Global Positioning 35 penetrating radar 35 IonEarth 35 dropsonde 35 laser altimetry 35 satellite altimeters 35 Hercules Inlet 34 WAAS GPS 34 avalanche beacons 34 airborne lidar 34 GreenSeeker 34 VOR ILS 34 Geographical Positioning System 34 DriveAssistT 33 Global Positioning Systems 33 precision GNSS 33 hydroacoustic 33 Differential GPS 33 u blox GPS 33 Garmin Rino 33 personal locator beacon 33 laser altimeter 33 Susan Crownover 33 GIS remote sensing 33 infrared sensing 33 Dorthe Dahl Jensen 32 Panther Trak TM 32 Fishfinder 32 SiRFstar III GPS 32 SPOT Satellite Communicator 32 GPS Pathfinder ProXRT 32 tracked 32 GPS tracking 32 Tremblant Que 32 colleagues Dewell 32 Douglas Shinkle 32 eLORAN 32 Ellef Ringnes Island 32 GPSs 32 Lex Treinen 31 Real Time Kinematic 31 handheld Global Positioning 31 Fred Solop Northern 31 Magellan eXplorist 31 Peter Huybers 31 ANDRILL 31 Observing System 31 Earthmate GPS PN 31 helicopter Dewell 31 Lat Lon 31 dropsondes 31 geopositioning 31 Yukon Territories 31 sextants 31 Matt Cawby 31 GB GRAM 31 Kangerdlugssuaq 31 GPS WAAS 31 WAAS enabled 31 Garmin Nuvi #W 31 DGPS 31 GPS collars 31 USArray 31 Electro optical 31 topo maps 30 glaciology 30 Geosat 30 Trimble VRS TM 30 CIANFRINI David 30 Isabella Velicogna 30 Chatanika River 30 phones pagers 30 MHz EPIRB 30 Paul Kurceba 30 microwave transmitters 30 NASA Landsat 30 Destinator ® 30 Assisted Global Positioning 30 Spitsbergen Norway 30 multibeam 30 laser rangefinder 30 Fastrax GPS 30 Wesley Dinnan 30 polar voyages 30 Weddell Sea 30 collared wolves 30 Septentrio 30 Turoa ski 30 GPS GLONASS 30 Light Detection 30 WCHA Playoffs 30 telemetry instrumentation 30 chartplotter 30 avalanche transceivers 30 IQ Routes ™ 30 penetrating radars 30 Silicon Laboratories Si# 30 sodar 30 GPS tracker 30 QZSS 30 MobileMapper CE 30 Letter Logger 30 Massachusetts 29 Hertz NeverLost 29 Timothy Swager 29 hauling sledge 29 Sharkfin Tower 29 sondes 29 geodesy 29 Lidar 29 Pulmonary Vein Ablation Catheter 29 GNSS receivers 29 Garmin nuLink 29 ICESat 29 Janne Korpi 29 Mojix STAR 29 western Antarctic Peninsula 29 =Nathan Stonner 29 Stay tuned Kautz 29 MEMS Inertial 29 Mount Foraker 29 Kasandra Rice 29 Novelda Impulse Radar 29 Trimble R8 GNSS 29 seismometers 29 Trafigura Vena 29 Amundsen Sea 29 Elisabeth Habermann 29 Phased array 29 AMPERE 29 speedskating championships 29 avalanche transceiver 29 QuickBird satellite imagery 29 www.spirentfederal.com 29 TrimTrac 29 maps compasses 29 cocaine abusers Kosten 29 viaRadio 29 Bryce Christianson 29 Polar explorers 29 Ross Ice Shelf 29 GPS trackers 29 Glaciologists 29 barometric altimeter 29 celestial navigation 29 POWER PLAY Assist 29 Skyhook Wi Fi 29 locator transmitter 29 Molnia 29 loran 29 Envisat ASAR 29 bought Glaxo Serevent 29 Interferometric Synthetic Aperture Radar 29 personal locator beacons 29 remote sensing 29 VeeLo NextGen 29 RF #M MP 29 AN Severtsov Institute 29 Gary Rozzell 29 interferometric synthetic aperture radar 29 Garmin GPS 28 Great Aletsch glacier 28 GPS Global Positioning 28 wirelessly transmitted 28 Inc. GPSI OTCBB 28 Antarctic Peninsula 28 inertial navigation system 28 played cribbage spooned 28 magnetically levitated trains 28 Russian Orlan MK 28 polarimetric 28 GPS navigation devices 28 Earth orbiting satellites 28 Avis Assist 28 Cohda Wireless 28 ZBV drives 28 Navy MH #R 28 Dan Dzurisin 28 hyperspectral sensors 28 tracked Abuelazam 28 inbuilt GPS 28 Marius Korthauer 28 Differential GPS DGPS 28 Linda Beilharz 28 electroencephalograph EEG 28 Francies tossed 28 WorldNav 28 laser rangefinders 28 GPS receiver 28 fish finders 28 ESA ERS 28 iceberg calving 28 Global Positioning Satellites 28 Selective Availability Anti Spoofing 28 Trimble Navigation 28 Rhonda Sandland 28 geolocating capabilities 28 Synthetic Aperture Radar 28 NavTeq 28 PN #w 28 GPS coordinates 28 Scand LLC offers 28 PLBs 28 SPOT 28 THAAD missile 28 semifinals 28 chart plotter 28 SiRF chipset 28 thermal infrared 28 Barrow Whalers 28 BlueChart 28 Navitraq V 28 Sisimiut 28 folding clamshell handsets 28 Track Scanning Radiometer 28 Uninhabited Aerial Vehicle 28 Chajnantor plateau 28 Augmentation System WAAS 28 ruggedized handheld 28 geolocate 28 tidewater glacier 28 ITHACA NY Cornell 27 ocean buoys 27 called nonvisual interfaces 27 TDOA 27 TomTom NAVIGATOR 6 27 Automatic Vehicle Location AVL 27 Therma Blade 27 SnoMotes 27 Camrose AJHL 27 LIDAR 27 locater beacon 27 Astro Aerospace 27 frequency VLF 27 GLONASS signals 27 RTK GPS 27 sonar 27 Dr. Marya Zilberberg 27 defenseman Chad Langlais 27 icebreaker submarine 27 Trimble VRS Now 27 geosynchronous satellite communications 27 Magellan Roadmate 27 Infrared Pathfinder Satellite 27 TomTom GO LIVE 27 microelectromechanical system 27 seismographs 27 Nextar Q4 27 collision avoidance systems 27 StarChase 27 Borge Ousland 27 radar lidar 27 Meade MySky 27 VHF transmitters 27 Inc. OTCBB GPSN 27 FmX 27 Quarterback RJ Toman 27 Fleet Tracking 27 VDO Dayton 27 electro optical sensors 27 Ramstad Skoyles 27 icebreakers satellites 27 GAP INC 27 Cathy Wos contributed 27 Markus Schairer 27 narrowband tactical 27 hydrophones 27 Block IIF 27 Jakobshavn Isbrae 27 Scott Luthcke 27 Garmin Nikon 27 Mass strandings 27 airborne LIDAR 27 Iridium satellite 27 Deep Siren 27 Reid headwall 27 Kyle Nissen 27 cell tower triangulation 27 Katherine Sanguinetti spokeswoman 27 Trimble Navigation Limited 27 Inertial Navigation System 27 Doppler radars 27 depth sounders 27 radar jammers 27 Navitraq VI 27 Envisat satellites 27 lidar 27 tracking 27 Greenland 27 ChampionChip 27 Garmin nuvi #T 27 AutoRAE 27 ALK CoPilot 27 sonar transmitters 27 Finland Janne Korpi 27 Area Augmentation System 27 Whillans Ice Stream 27 Bellingshausen Sea 27 IC4A/ECAC 27 Historical Climatology Network 26 GNAT Programming Studio 26 subpolar 26 polar plateau 26 Werthimer 26 Mary Ellen Camire 26 Landsat satellites 26 SAASM 26 Glennallen 26 GPS IIF satellite 26 Winklebleck 26 electro optic telemetry 26 Magellan Triton 26 Nic Dowd 26 nüvi #T [001] 26 cellular triangulation 26 coach Carie Graves 26 HEARO 26 telemetry collars 26 AURA database 26 FieldLogix 26 checkup Phipps 26 i.Scan 26 geo mapping 26 Joint Helmet Mounted 26 BEDFORD HILLS 26 locaters 26 huge serac 26 Secretary Tom Dravland 26 Francies flung 26 electro optic sensors 26 Mandy Kaempf 26 positioning satellites 26 GSM WCDMA handsets 26 packs trackball 26 Greenland glaciers 26 intelligence ELINT 26 radar altimeter 26 Helheim glacier 26 System GNSS 26 Nuvi GPS 26 TeleType 26 RoadPilot 26 maker Garmin GRMN 26 orbiter Mars Odyssey 26 TomTom TOM2.AS Quote Profile 26 Daniela Rus 26 handheld PDA 26 Benjamin Zipursky 26 InSAR 26 trunked radio 26 System WAAS 26 Transantarctic Mountains 26 inertial measurement units 26 spaceborne 26 TAMMAC 26 manually curated 26 WAAS Wide 26 radar detectors 26 chartplotters 26 command destruct 26 System Block IIR 26 GNSS receiver 26 cyclists triathletes 26 RTK GNSS 26 Forward Looking Infrared FLIR 26 SkyRouter 26 Nike + SportWatch 26 sonars 26 Antarctica 26 locator beacons 26 Automatic Identification System 26 EPLRS 26 radiofrequency identification 26 TomTom MOBILE 26 remote sensing imagery 26 Lonnie Dupre 26 Buck Nystrom 26 icebreaking ships 26 Huskies #-#-# #-#-# 26 mapped 26 Quividi French 26 calculates 26 Eric Olimb 26 UHF radios 26 radio occultation 26 Trimble VRS 26 Airborne Topographic Mapper 26 quarterfinals 26 shovel windshield scraper 26 kinematic RTK 26 furnaces ovens 26 frequency HF 26 deployed spike strips 26 GPS SBAS 26 GPS locator 26 radar interferometry 26 ENVISAT 26 ecoRoute 26 temperature salinity 26 accelerometer gyroscope 25 BlueChart g2 Vision 25 Telemetry System 25 Santa Cams 25 Radio Frequency ID 25 navigational 25 Deshka Landing 25 GlobalWave 25 Ted Molczan Canadian 25 flightaware.com 25 dancers Vanessa Crone 25 gyrocompass 25 compass altimeter 25 radio transmitters 25 floe 25 locator 25 icecaps 25 Victor Kozlov 25 pager sized 25 photographing handrails antennas 25 inertial navigation 25 networks WSNs 25 GPS enabled 25 playful jousting 25 LRO spacecraft 25 secure timing SAASM 25 robotic rovers 25 ForeclosuresMass.com 25 Laura Schlessinger shifts 25 Svalbard archipelago 25 pokechecked 25 TeleNav GPS 25 Finland Matti Hautamaki 25 ESA CryoSat 25 Seismometers 25 Tracking LRIT 25 Ricoh #SE 25 EarthScope 25 Fugitive Apprehension Task Force 25 NASA GeneSat 1 25 Outback S2 25 Mesosphere 25 longitude latitude 25 infrared beacons 25 Sheldon Drobot 25 inertial measurement 25 Aegis BMD Weapon 25 MEMS microelectromechanical 25 Satellite Tracking 25 collision avoidance radar 25 GSM GPRS cellular 25 Charge Coupled 25 transmitters 25 sextant 25 Trackstar stolen vehicle 25 telemetry 25 Garmin Nuvi #T [001] 25 Shanay Briscoe 25 unearthed treasure trove 25 Ted Scambos 25 Satellite Positioning 25 Cobra iRadar app 25 Haleakala volcano 25 Croatia Jakov Fak 25 LORAN 25 Garmin eTrex 25 radars 25 Everest Lhotse 25 fluoroscopy ultrasound 3D 25 herding lure coursing 25 Aerial Warfare 25 Seawolves #-#-# #-#-# 25 transmitter 25 Continuously Operating 25 Approach G3 25 meter Vinson Massif 25 Johanna Turunen 25 Navigation Satellite System 25 ultra wideband UWB 25 components Trimble augments 25 Forward Looking Infrared 25 Amery Ice Shelf 25 nonveteran inmates 25 disposable electrode 25 Aurelia Korthauer 25 NAViSEER 25 Mapopolis 25 GMTI 25 MSAT G2 25 wirelessly transmitting 25 Sermilik Fjord 25 meter breaststroke preliminaries 25 Rocky Mountain Tracking 25 Wilfried Haeberli 25 TravelPilot 25 gradiometer 25 voluminous computerized 25 SiRFstarIII architecture 25 Sigrid Aas 25 Dixie Dansercoer 25 AJ Hau 25 Targeting Forward Looking 25 geophone 25 theodolite 25 Topo maps 25 Synthetic Aperture Radar SAR 25 megahertz radios 24 polar orbiting satellites 24 Ice Sheet 24 near Gakona Alaska 24 Navy Cdr 24 transmitted wirelessly 24 radar altimeters 24 SPOT Messenger 24 Kurs automated 24 GPS co ordinates 24 Aercept 24 FALMOUTH Mass. 24 gyroscope accelerometer 24 leading RADIONOVA ® 24 unmanned robotic 24 radio frequency 24 glacier 24 Nilson Report newsletter 24 inclinometer 24 Gadaf spoke 24 INMARSAT 24 Walruses dive 24 laser illuminator 24 Nuvi #T [001] 24 topographical maps 24 SmartFleet 24 transponder 24 Scambos 24 GPS satellites 24 Harvick RCR 24 inertial guidance 24 Judy Haner marine 24 mountain locator 24 scientist Mark Serreze 24 earth orbiting satellites 24 Edora Pool 24 electro optic infrared 24 digital multimeters DMMs 24 AnyTrack GPS 24 ship HMS Endurance 24 Repeat Offender Program 24 Chelton EFIS 24 tower triangulation 24 GPS navigation 24 FLIR Forward Looking 24 Usha Bista 24 Clementine bi static 24 sub glacial lakes 24 RDS TMC traffic 24 KN excels 24 SkyGuard 24 Dana Antal 24 GPSes 24 QuikSCAT 24 Qualcomm gpsOne 24 Control Segment OCX 24 GPS Block IIF 24 Tech Sally Kipyego 24 Wide Area Augmentation 24 TomTom GPS 24 Inertial Navigation 24 thermo imaging 24 ProNav 24 detonate improvised explosive 24 AUVs 24 chronometers 24 summited Mount Everest 24 seabed sediments 24 Aegis cruisers 24 Robert Bortuzzo 24 Wifi Bluetooth 24 Georg Kaser 24 AssistNow 24 North Pole 24 Smartzone 24 glaciologists 24 Kessel skated 24 unmanned airborne 24 walrus polar bears 24 orca pod 24 CryoSat mission 24 amplifiers tuners 24 ActionTracker provided 24 Antarctica EPICA 24 MethCheck 24 GPS locater 24 polynya 24 geolocator 24 Active RFID tags 24 Rosie Stancer 24 aboard ESA Envisat 24 mapping 24 TSI PRISM RFID 24 LIDAR Light 24 www.noradsanta.org 24 integrated circuits RFIC monolithic 24 TerraGo Mobile 24 nuvi #T [001] 24 iSECUREtrac GPS 24 neutrino detector 24 Alaskan glaciers 24 gyroscopes accelerometers 24 SavingforCollege.com 24 VacTell ® video 24 Wi Fi triangulation 24 equip cockpits 24 relayed 24 ultrasensitive disposable electrode 24 Verizon VZ Navigator 24 Block IIIA 24 longitude coordinates 24 Mari El Alatalu 24 DigitalGlobe WorldView 2 24 Navteq Corp. 24 AFSCN 24 ground penetrating radar 24 Artic Ocean 24 Satellite Aided Tracking 24 Melting Arctic 24 GPS waypoints 24 Remote sensing 24 GPS Navigation 24 CMOS Image 24 Recon Scout 24 Automated Transfer Vehicles 24 geosynchronous 24 Vinson Massif 24 SnapTrack 24 Chipped offAussies set 24 Flight Aware 24 GPS Block IIR 23 Green Launching Pad 23 Arctic Ocean 23 Cape Royds 23 track 23 Augustine Volcano erupted 23 Kahiltna 23 nuvi #T [002] 23 ablation catheters 23 triangulates 23 binoculars spotting scopes 23 electrocorticography 23 Galileo constellation 23 Speedskating Championships 23 wideband networking 23 dismounted soldier 23 ALERT FM 23 MS Fram 23 Earth Observation Programmes 23 Mathieu Turcotte 23 Walt Meier 23 securely transmit 23 Roadmate 23 Branford Conn. 23 genetic fingerprinting 23 Ancillary Terrestrial Component ATC 23 NeverLost 23 electromagnetic signals 23 infrared homing 23 Remotely operated 23 guided munitions 23 polynyas 23 Shaft lenses 23 icefield 23 glaciological 23 QuikScat 23 neutron detector 23 Automatic Vehicle Location 23 expertise ICx pioneers 23 GPS L2C 23 terminal moraine 23 BGCantor Market 23 subglacial lake 23 drifting buoys 23 Trimble Navigation Ltd. 23 Christine Bestland 23 wirelessly transmit 23 AFrame Digital 23 GPS IIF satellites 23 Population Demographics 23 Italy Christian Oberstolz 23 outwaited 23 Jared Sylvestre 23 nüvi #x# 23 BP deploys deepsea 23 UWB RTLS 23 EX H#G 23 Positioning System WPS 23 Nav Tracker 23 Dr. Ira Helfand 23 zap boulders 23 TeleNav Shotgun 23 Automated License Plate 23 GNS #W/#W series 23 NASA Isabella Velicogna 23 Navy F/A-#E/F 23 Globalstar constellation 23 L5 signal 23 silicon micromachined 23 Antarctic icecap 23 Shasta glaciers 23 WAIS Divide 23 #x#K relay [002] 23 VHF radios 23 Formosat 2 23 orient themselves 23 LEKSAND Sweden CP 23 gyro stabilized 23 GPS locators 23 nüLink 23 Birklid 23 CARTOSAT 2A 23 NAVSTAR Global Positioning System 23 Ekahau tags 23 Radio Frequency Identification 23 frequency transmitters 23 reporter Karen Rivedal 23 WINDSOR Colo. 23 Knuble deflected 23 JTRS approved 23 Cryosat 23 Doppler radar 23 defenseman Carl Sneep 23 Hawklink 23 Samuel Grenache 23 Julienne Stroeve 23 Mini Synthetic Aperture 23 orbiting satellites 23 Geocache Navigator 23 Meteorological Satellite 23 AnyTrack 23 Simorgh rocket 23 Freeskiing Nationals 23 Steve Blando 23 uncooled imaging 23 portable gas chromatograph 23 HEIDINGER Josh 23 NASA QuikScat satellite 23 clocked 23 WAAS 23 Nordic Ski Championships 23 eastern cougar subspecies 23 Snowmobiles ATVs lobster 23 mountaintop glaciers 23 digger rocketed 23 homing beacons 23 reinterviews 23 Garmin nüLink 23 SiRFstarIV architecture 23 scientist Mary Ruwart 23 banded birds 23 altimeter barometer 23 SiRFstar III 23 Motorola MC# G 23 austral summer 23 wirelessly transmits 23 Tele Atlas maps 23 PharmAssist 23 Navstar GPS 22 geostationary satellites 22 repechages 22 homing device 22 LandAirSea Systems 22 MOTONAV 22 Ocean Salinity 22 GPS anklet 22 Antarctic seas 22 Climate Experiment GRACE 22 CAR BURGLARY 22 genomic epigenomic 22 NAVSTAR 22 MotionX GPS 22 Defense Command CONAD 22 SARSAT 22 cryosphere 22 nuvi #W 22 geo referenced 22 subarctic 22 Xuelong 22 analyzed 22 #dBm [001] 22 modified Chevy Caprice 22 Oliver Buchmueller 22 Navigation Satellite 22 navigations systems 22 FRS GMRS 22 radio collars 22 Garmin nuvi #W 22 robotic explorers 22 MEMS accelerometers 22 Accurint database 22 telemetric 22 Van der Vorst savors 22 QWIP 22 Accelerometers 22 mm howitzer shells 22 Garmins 22 Skyhook Wireless 22 thermal imaging 22 magnetic compass 22 Find NOOK 22 braved frigid temperatures 22 freeride skiers 22 Delphi XM SKYFi2 22 LeadsOnline 22 HARPS spectrograph attached 22 McColo servers 22 detonating improvised explosive 22 Breanne Meakin 22 Arctic 22 Laptev Sea 22 Tuffy Latour 22 Where2 22 Chloe Forsman 22 sighted 22 Jean Troillet 22 Tim Brabants 22 TerraSync software 22 Program DMSP 22 Jupiter moons Europa 22 containing pseudophedrine 22 Eric Rignot 22 SBAS 22 Project Lifesaver 22 ice 22 SiRFLoc 22 ASHRAE fulfills 22 ice slickened highway 22 SPOT Assist 22 Aileen Sormunen 22 backhanded deke 22 detect gravitational waves 22 compass accelerometer 22 icebound 22 Saas Fee Switzerland 22 Gary Winckler 22 Henrik Windstedt 22 GPS chartplotter 22 glaciers 22 compass headings 22 randomly assigns 22 ultrasonic sensor 22 JPALS 22 Holux 22 Cape Adare 22 electric motorcycles scooters 22 compass bearings 22 radiosondes 22 emergency locator transmitters 22 patented Inforemer TM 22 Globalstar satellite 22 UpLink 22 navigation aids 22 satellite navigation 22 Alyeska Ski Club 22 Used printer cartridges 22 GPS Receiver 22 plate recognition ANPR 22 André Malm 22 Shelia Burrell 22 trackers 22 Cloud Aerosol Lidar 22 locate 22 satellite 22 Inertial Navigation Systems 22 infra red imaging 22 tagged 22 JTRS radios 22 Telogis Fleet 22 Adam Janosik 22 infrared spectrometers 22 Connected PNDs 22 Winston Salem metropolitan statistical 22 icy slopes 22 Cueing System 22 teraelectronvolts TeV 22 GPS GNSS 22 retreating glaciers 22 AKM Semiconductor touch 22 Skynet 5C 22 Radio LMR 22 ® electromagnetic transponders 22 GPS lasers 22 SATCOM WGS 22 Array ALMA 22 COSPAS 22 radio transmissions 22 Helheim Glacier 22 Rich Bednarski 22 Ekstroem 22 GLONASS navigation 22 SiRFInstantFixII 22 siloxane sciences 22 Penticton Curling Club 22 battery powered 22 OTCBB GTXO leader 22 Spirent GSS# 22 Inoue Baldwin 22 GPS OCX 22 Hayden Rintoul 22 ISO #-# compliant 22 Margeson wonders 22 Muztagh Ata 22 electroencephalograms EEGs 22 altimeters 21 debit PIN debit 21 GPS IIIA 21 Victor Petrenko 21 polar bear dens 21 biometeorology became 21 Unmanned 21 Hertz NeverLost R 21 Normalized Difference Vegetation 21 night vision goggles 21 Cyber Tracker 21 netbooks Nokia Booklet 21 multipurpose Arirang 3 21 radiosonde 21 datalink 21 Tidal currents 21 tagged sooty shearwaters 21 Cesen route 21 Kiruna Sweden 21 uploadable 21 pinpointed 21 ® AN/PRC-# C 21 Richard Niemtzow 21 STSS Demonstration 21 cellphones pagers 21 learned Doitchin Krasev 21 Kent Hance 21 electro optical sensor 21 AgGPS 21 radars telemetry 21 PHT ePRO System 21 SEATTLE Wash. 21 Inertial Measurement Unit 21 Nuvi #W 21 SupplyNet Communications 21 pinpoint 21 Wasilewski wildlife biologist 21 Nina Pierpont 21 Krisjanis Redlihs 21 Wearable Audio 21 LADAR 21 MDA Ballistic Missile 21 passive sonar 21 BULLETIN BOARD PLKH 21 Beidou 21 DAGR 21 BURLINGTON Vt. Vermont 21 handheld VHF 21 crimereports.com 21 PRNewswire FirstCall ProLink Holdings 21 UHF VHF 21 MetroList 21 electronically monitored 21 Greenland glacier 21 Tracking 21 GPS Enabled 21 outlet glaciers 21 Garmin nüvi 21 inertial sensor 21 GIS mapping 21 intern Senad Basic 21 Ron Durando 21 Sat nav 21 charted 21 pinpointing 21 Assisted GPS 21 handheld scanner 21 Barion Blake opened 21 Laurie Mercurio 21 Bernd Brückler 21 geo stationary satellite 21 InvisiTrack LS