gps differential

Differential GPS ice flow: BGS observatory, Virkisjökull, Iceland


4X4 Hummer [Download]


4X4 Hummer [Download]


$5.93


4×4 Hummer is an off road driving simulation where players can test drive a range of General Motors’ sports utility vehicles (SUV’s) across challenging and exciting locations including the Grand Canyon, Crimea, Egypt and Iceland to name a few….

Hummer


Hummer


$1.59


An off-road driving simulation where players can test drive a range of GM sports utility vehicles across challenging and exciting locations including the Grand Canyon, Crimea, Egypt and Iceland to name a few. Players have full control over all the vehicles 4×4 features such as the gear box, GPS navigation, center differential locking, towing devices, height controls and tire pressure as they chal…

Speedstudy Calculus


Speedstudy Calculus


$3.95


Speed to Success!Product InformationBuild calculus skills fast and improve grades and test scores.  SpeedstudyCalculus provides a solid educational foundation that will raise grades and testscores and improve math skills in the classroom and beyond.  Multimedialearning system makes even the toughest calculus concepts e alive. Great for new learners or students reviewing for exams.Bo…

Magellan SporTrak Pro Waterproof Hiking GPS


Magellan SporTrak Pro Waterproof Hiking GPS


$299.99


Magellan SporTrak Pro GPS Receiver – Once the exclusive tool of the United States military, the GPS receiver has “trickled-down” to the rest of us. Providing us with a science-fiction-like ability to navigate our way around even the most remote of areas. The SporTrak Pro features a large backlit display for easy viewing, and a 9MB mapping database. 76 datums Store up to 20 routers, 500 way poi…

Raymarine E32042 Raystar 125 GPS Sensor


Raymarine E32042 Raystar 125 GPS Sensor


$365.99


12 Channel Satellite Differential (WAAS)GPS. The Raystar 125 is complete self-contained GPS antenna and receiver. The RS125 supports either Raymarine SeaTalk or NMEA 0183 data output. Mount not included….

Garmin GPS III Waterproof Hiking GPS


Garmin GPS III Waterproof Hiking GPS


$364.27


Garmin’s new GPS III Plus offers cartographic capabilities formerly found only in high-end automotive navigation and marine chart plotting units. The basemap in the GPS III Plus will get you where you’re going with more than 10,000 new towns added to the permanent basemap. It also includes airport locations, secondary roads in metro areas and even detailed exit information for the federal intersta…

Global Positioning System: Theory and Applications, Volume II


Global Positioning System: Theory and Applications, Volume II


$69.99


This two-volume set explains the technology, performance, and applications of the Global Positioning System (GPS). It is the only one of its kind….

GPS Ephemeris Message Broadcast Simulation


GPS Ephemeris Message Broadcast Simulation



The warfighter constantly needs increased accuracy from GPS and a means to increasing this accuracy to the decimeter level is a broadcast ephemeris message containing GPS satellite orbit and clock corrections. The ephemeris message is produced at the GPS MCS (Master Control Station) which receives GPS signal data from NGA and Air Force worldwide and uses sophisticated software to produce the orbit…


Differential GPS explained: An exposé of the surprisingly simple principles behind today's most advanced positioning technology


Differential GPS explained: An exposé of the surprisingly simple principles behind today’s most advanced positioning technology


$20.00



Casio Men's PAW1500T-7V Pathfinder Multi-Band Solar Atomic Ultimate Watch


Casio Men’s PAW1500T-7V Pathfinder Multi-Band Solar Atomic Ultimate Watch


$260.00


Perfect for rugged adventurers and weekend warriors, the solar-powered Casio Pathfinder men’s sport watch is loaded with a digital compass and altimeter/barometer/thermometer–perfect for both mountain trekking and cave spelunking. It also includes tide and moon graphs and moon age data, and is very precise thanks to its atomic timekeeping features. The durable round watch case (measuring 50.5mm/1…