RightWay GPS Navigator RW 430 Guia do Utilizador descarregar pdf (Página 85)

GPS RTK Base GPS Receiver User Guide 83

Glossary

1PPS Pulse-per-second. Used in hardware timing. A pulse is generated in

conjunction with a time stamp. This defines the instant when the time

stamp is applicable.

almanac A file that contains orbit information on all the satellites, clock corrections,

and atmospheric delay parameters. The almanac is transmitted by a GPS

satellite to a GPS receiver, where it facilitates rapid acquisition of GPS signals

when you start collecting data, or when you have lost track of satellites and

are trying to regain GPS signals.

The orbit information is a subset of the emphemeris / ephemerides data.

AutoBase AutoBase technology uses the position of the receiver to automatically select

the correct base station; allowing for one button press operation of a base

station. It shortens setup time associated with repeated daily base station

setups at the same location on jobsites.

base station Also called reference station. A base station in construction, is a receiver

placed at a known point on a jobsite that tracks the same satellites as an

RTK rover, and provides a real-time differential correction message stream

through radio to the rover, to obtain centimeter level positions on a

continuous real-time basis. A base station can also be a part of a virtual

reference station network, or a location at which GPS observations are

collected over a period of time, for subsequent postprocessing to obtain the

most accurate position for the location.

BINEX BInary EXchange format. BINEX is an operational binary format standard

for GPS/GLONASS/SBAS research purposes. It has been designed to grow

and allow encapsulation of all (or most) of the information currently allowed

for in a range of other formats.

broadcast

server

An Internet server that manages authentication and password control for a

network of VRS servers, and relays VRS

™

corrections from the VRS server

that you select.

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RightWay GPS Navigator RW 430 Guia do Utilizador Página 85