SYSTEM DESCRIPTION AND INSTALLATION MANUAL
HS--700 High Speed Data System
23--20--33
30 Aug 2002
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Page 1--2
Figure 1-1. High Speed Data System Block Diagram
B. Aero--H/H+
(1) Aero--H/H+ is a multi--channel aeronautical system that can operate in both the
Inmarsat--3 global and spot beams using either a fuselage-- or tail--mounted HGA.
The type of antenna and the global/spot beam operation identify the type of service
possible as given in Table 1-1.
Table 1-1. Type of Service
Aero
Type
Antenna
Global
Beam
Spot
Beam
Voice
9.6
kbps
Voice
4.8
kbps
Secure
Voice 4.8
kbps
Fax
(max)
PC Data
(max)
Packet
Mode
Data
(max)
Aero--H
High gain
Yes
No
Yes
No
Yes
4.8 kbps
2.4 kbps
10.5 kbps
Aero--H+ High gain
Yes
Yes
Yes
Yes
Yes
4.8/2.4
kbps
2.4 kbps
10.5 kbps