- 産業: Telecommunications
- Number of terms: 1485
- Number of blossaries: 0
- Company Profile:
Garmin designs, develops, manufactures and markets a diverse family of hand-held, portable and fixed-mount GPS-enabled products and other navigation, communications and information products for the general aviation and consumer markets.
The power-on sequence where the GPS receiver downloads almanac data before establishing a position fix.
Industry:Telecommunications
A worldwide chain of monitoring and control stations that control and manage the GPS satellite constellation.
Industry:Telecommunications
Replaced Greenwich Mean Time (GMT) as the world standard for time in 1986. UTC uses atomic clock measurements to add or omit leap seconds each year to compensate for changes in the rotation of the earth.
Industry:Telecommunications
A set of numbers that describes your location on or above the earth. Coordinates are typically based on latitude/longitude lines of reference or a global/regional grid projection (e.g., UTM, MGRS, Maidenhead).
Industry:Telecommunications
The direction from the beginning landmark of a course to its destination (measured in degrees, radians, or mils), or the direction from a route waypoint to the next waypoint in the route segment.
Industry:Telecommunications
The heading you need to maintain in order to reach a destination.
Industry:Telecommunications
Fixes the GPS receiver's map display so the direction of navigation is always "up."
Industry:Telecommunications
A math model which depicts a part of the surface of the earth. Latitude and longitude lines on a paper map are referenced to a specific map datum. The map datum selected on a GPS receiver needs to match the datum listed on the corresponding paper map in order for position readings to match.
Industry:Telecommunications
The length (in feet, meters, miles, etc.) between two waypoints or from your current position to a destination waypoint. This length can be measured in straight-line (rhumb line) or great-circle (over the earth) terms. GPS normally uses great circle calculations for distance and desired track.
Industry:Telecommunications
A transmission path for the communication of signals and data from a communications satellite or other space vehicle to the earth.
Industry:Telecommunications
