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Chapter 1: About SD-GPS (RS120 only) 3
1 About SD-GPS (RS120 only)
At the time of going to print, WAAS was being tested for aviation use.
During this testing and certification period, continuous service is
expected although brief signal outages may occur as refinements and
upgrades are made to the system.
Information about the status of WAAS and any planned outages are
available via the Raymarine website at:
http://www.raymarine.com
1.3 SD-GPS coverage outside North America
As well as being WAAS compatible, the Raystar 120 is also compatible
with the SD-GPS networks being developed for Europe (EGNOS) and
Asia (MSAS). The combination of the WAAS, EGNOS and MSAS
systems will provide global satellite based differential GPS
augmentation into the future.
Europe (EGNOS)
At the time of going to print, EGNOS was in early testing and
qualification phases. As a result, signal outages may occur at any time.
The status of EGNOS and any planned outages are available on-line at
the Raymarine website:
http://www.raymarine.com
Satellite differential is currently disabled outside the WAAS reception
area. When EGNOS is qualified for navigational use, we will publish a
procedure on the Raymarine website to enable EGNOS operation.
Asia (MSAS)
An Asian satellite differential system (MSAS) is also being developed.
When MSAS is qualified for navigational use, we will publish a
procedure on the Raymarine website to enable MSAS operation.
1.4 Accuracy & continuation of broadcast coverage
CAUTION:
The navigational accuracy of equipment using these satellite
broadcast SD signals during the testing and qualification phases is
not guaranteed by Raymarine Limited, nor is the continuation of the
broadcast SD signals the responsibility of Raymarine Limited.