
6 RC435 and RC435i Chartplotters
The corrected ‘differential’ signals are then sent to the two
Geostationary Satellites which broadcast the corrected data on the
standard GPS frequency, making it available to the GPS Antenna.
The RC435/435i GPS uses the correctional data transmitted by the
Geostationary Satellites to refine the basic GPS positional data for
greater accuracy.
Figure 1-3: The WAAS System
Availability of WAAS and EGNOS Signals
The WAAS system is presently broadcasting in North America.
The RC435/435i Chartplotter is EGNOS compatible. However, at the
time of going to print the EGNOS was still under test.
Further information on the WAAS and EGNOS systems can be found at:
www.raymarine.com
Broadcast Continuation and Accuracy
The continuation of the broadcast SD signals is not the responsibility of
Raymarine. The navigational accuracy of equipment using these satellite
broadcast SD signals is not guaranteed.
81236_1.book Page 6 Monday, January 5, 2004 3:41 PM
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