GPS FAQ What is the Global Positioning System?
The Global Positioning System (GPS) is a constellation of U.S. Government Satellites providing the most advanced and accurate positioning and navigation service in the world. Equipped with atomic clocks, twenty-four GPS satellites orbit 12,000 miles above the earth transmitting the exact time and their position in space.
What is a GPS receiver?
A GPS receiver is an electronic device that listens to satellite signals and uses the information to determine and display the receiver's location, speed, altitude and heading.
What is a WGS 84?
WGS 84 is the acronym that represents the words, "World Geodetic Survey 1984". WGS 84 is one of the most widely accepted datums.
What is SMS?
SMS ( short message service), Abbreviated as sms , the transmission of short text messages from a mobile phone . Messages must be no longer than 160 alpha-numeric characters and contain no images or graphics. What is GPRS? General Packet Radio Services (GPRS) is a packet-based wireless communication service that promises data rates from 56 up to 114 Kbps and continuous connection to the Internet for mobile phone and computer users. The higher data rates allow users to take part in video conferences and interact with multimedia Web sites and similar applications using mobile handheld devices as well as notebook computers. GPRS is based on Global System for Mobile (GSM) communication and complements existing services such circuit-switched cellular phone connections and the Short Message Service (SMS). What is NMEA-0183? The NMEA 0183 Interface Standard defines electrical signal requirements, data transmission protocol and time, and specific sentence formats for a 4800-baud serial data bus. Each bus may have only one talker but many listeners,It can output to navigater |
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