IATA
International Air Transport Association
ICAO
International Civil Aviation Authority
launch
The process of releasing the rover from the launcher. Launch immediately preceeds takeoff.
launch dock
The platform that rests on the launcher. The rover sits on the launch dock. The launch dock moves forward
along the launcher at speed when the rover is launched.
launcher
The launcher is a mechanical device that provides a safe way to launch the rover in the direction of takeoff.
METAR
A routine aviation weather report issued at hourly or half-hourly intervals. It is a description of the
meteorological elements observed at an airport at a specific time.
multipath
Interference, similar to ghosting on a television screen. Multipath occurs when GNSS signals traverse
different paths before arriving at the antenna.
NOTAM
A notice filed with an aviation authority to alert aircraft pilots and remote operators of potential hazards
along a flight route or at a location that could affect the safety of the flight. The term NOTAM is commonly
used rather than the more formal term Notice to Airmen.
photogrammetry
The use of photography in surveying and mapping to make measurements between objects.
pitot tube
The sensor used by the aircraft to detect airspeed. It must be kept clean and free of obstructions to operate
correctly.
postprocess
To process satellite data on a computer after it has been collected.
PPK
A type of GNSS survey. Postprocessed kinematic surveys store raw and continuous observations. The data
is postprocessed to achieve centimeter level precisions.
precision
A measure of how closely random variables tend to cluster around a computed value.
reference plane
A known and constant surface which is used to describe the location of unknown points on the earth. Since
reference datums can have different radii and different center points, a specific point on the earth can have
substantially different coordinates depending on the datum used to make the measurement.
remotely-operated
Control of an aircraft from a ground control station.
remotely-operated aircraft
An aircraft where the operator is not on board the aircraft. This is a subcategory of unmanned aircraft.
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