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#AMBICOM GPS SIRF FULL#
Cold-start wake up times for the GPS itself are up to a full minute before satellite signals are received and stabilized. Starting from the ground up, you must start the computer, wait for a desktop, plug in the GPS, start the mapping software, wait for the application and wait for the GPS to wake up and synchronize to satellites. Let me be blunt - GPS on a laptop is not practical unless you are willing to spend a lot of time getting it going before using it. I used it with Microsoft Streets and Trips 2007 and Netropa iGuidance 4.0.
#AMBICOM GPS SIRF SOFTWARE#
Unlike hand-held units, the GPS-USB has no screen or buttons it is software driven from your laptop, so you also need a mapping program that can communicate with the GPS.
#AMBICOM GPS SIRF PC#
In the case of this PC unit, the mapping application takes this raw information and converts it to some sort of display, depending on your mapping application. When your receiver moves, it can track the movement and calculate your speed. It’s an indication of how far the engineering has come to see how capable and inexpensive present units are.īriefly, GPS works with 24 or so medium earth orbit satellites (non-geosynchronous) to trilaterate with each one it can receive, then combine this and do the math to convert this to latitude, longitude and elevation. Present civilian units operate at the maximum resolution that the technology will allow. Early civil units had built-in offsets that limited their accuracy for military security reasons until after the fall of the Soviet Union.
#AMBICOM GPS SIRF FREE#
It didn’t become available for civil use until the Korean Airline Flight 007 incident in 1983, at which time President Reagan issued a directive making the technology available free for civilian use in the interest of the common good. GPS is a venerable technology: NAVSTAR-GPS was developed by DOD-ARPA in the late 1960s. The first civil aircraft units with moving map displays used to cost about $50,000, and had much less resolution than this $45 PC accessory. I’ve had practical experience with GPSs for 20 years in aircraft, but I continue to be amazed at what silicon engineering has done to the interface and the price. The GPS-USB is dedicated to the PC architecture (logically a laptop) and is specifically made for Windows-based laptops.
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The GPS-USB is made by AmbiCom, who makes a wide variety of wireless and GPS devices adapted to everything from PCs to Palms and SmartPhones. At its nominal price of $45, it’s cheaper than an evening out, and the fun lasts a lot longer. The Review:Ĭurious about Global Positioning Systems (GPSs), but think they’re too expensive for a toy? The AmbiCom GPS-USB could be the answer to a question you don’t even have, and along the way, you may actually find it useful. GPS-USB uni t, CD-ROM with drivers, Quick Installation guide. Works on Windows 98SE, 2000, XP and Vista.
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It works with Microsoft Streets and Trips 2006 and up, DeLorme Street Atlas 2006 and up, and most NMEA- 0183 compliant software. Maximum altitude 59055 ft., maximum velocity 1690 ft./sec. (See explanation of alphabet soup elsewhere.) Its accuracy is within 5-10 meters of resolution, updating 10 times per second. It features 20 channel satellite navigation, SBAS/WAAS implementations, SiRF Star III, and supports NMEA-0183 protocol. The AmbiCom GPS-USB is an inexpensive Global Positioning System (GPS) for Windows based PCs that uses the USB interface. Never Get Lost On This Planet The Bullet Points: