ProNav Norway – a
Company
page 5
Rev.2
10.02.2020
Terms and Definitions
Introduction
The following table lists the terms and definitions used in this document.
Term
Definition
Activation
Activation refers to a feature added through a one-
time purchase.
Atlas
Atlas is a subscription-based service provided by
Hemisphere that enables the V200n to achieve sub-
meter accuracy without a base station or datalink.
BeiDou
BeiDou is a Chinese satellite-based navigation
system.
DGPS/DGNSS
Differential GPS/GNSS refers to a receiver using
Differential Corrections.
Differential
Corrections
A method of improving precision of a GNSS rover.
Two GNSS receivers placed in a nearby area will
have similar error. A base station is placed over a
known point.
Firmware
Firmware is the software loaded into the receiver
that controls the functionality of the receiver and
runs the GNSS engine.
GALILEO
Galileo is a global navigation satellite system
implemented by the European Union and European
Space Agency.
GLONASS
Global Orbiting Navigation Satellite System
(GLONASS) is a Global Navigation Satellite System
deployed and maintained by Russia.
Heading
The vector created from the primary to secondary
antenna. It points to the direction that the receiver
is facing.
Vector Receiver A Hemisphere GNSS receiver capable of providing
heading.