15-8
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
System
enough satellites for a fix.
15.2.2 Satellite-Based Augmentation System (SBAS)
SBAS is a system that supports wide area, or regional, augmentation through
the use of additional satellite broadcast messages. WAAS, EGNOS, MSAS, and
GAGAN are known SBAS providers.
At the time of printing, SBAS providers support the following areas:
• WAAS provides SBAS service for Alaska, Canada, the 48 contiguous
states, and most of Central America.
• EGNOS provides SBAS service for most of Europe and parts of North
Africa.
• MSAS provides SBAS service for Japan only.
• GAGAN provides SBAS service for India. Available with GPS software
v5.2 and later.
1. While viewing the System page, touch
GPS Status
.
2. If desired, touch the
SBAS
key to select an SBAS provider. The
SBAS list is based on the Aviation database.
3. Touch the key for the desired SBAS provider.
Figure 15-7 SBAS Selection Page
4. Touch the
Back
key to return to the System Status page.
Summary of Contents for GTN 625
Page 608: ...This page intentionally left blank ...
Page 609: ......
Page 610: ...190 01004 03 Rev P ...
