Memorex RX 1 Smart Manual de Instalação descarregar pdf (Página 20)

Simrad MX500 | 19

DGPS Beacon System

As Maritime Safety Administrations, Navy, and Coast

Guard Organizations realize the limitations of standard

GPS positioning, many have begun installing DGPS

Beacon Stations. While an understanding of this system

is not necessary for operating receivers with internal

beacon receivers, you may want to read on to have a

better understanding of how your receiver is capable of

achieving the high levels of accuracy made possible by

this network of transmitters.

The DGPS Beacon System is comprised of three seg-

ments: the reference station, Integrity Monitor (IM)

equipment located at the beacon site, and the Navigator

equipment located on board the user’s boat or vehicle.

The DGPS beacon system design is illustrated below.

5271-01C.500

Navigator Site

MX 50M

DGPS Beaco n Modulat or

MX 9400R

DGPS Re fere nce

Reference Station Site

MX 9400N

DGPS Na vigator

MX 51R

Integrity Monitor Site

Surveyors / Commercial

Users

Professional / Commercial /

Personal Craft Users

Because of the limited range of the beacon transmitters,

typically 150 to 400 km, the corrections generated by

the reference station are always valid for users who can

receive the correction signals and maintain a 5 meter or

better accuracy figure.

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Memorex RX 1 Smart Manual de Instalação Página 20