TNAG-2109-FCO40-3008-Outer-Space-Act-1986-extension-to-Hong-Kong-1990 — Page 124

1.3

7.1.4

Antenna Receive Figure of Merit (G/T)

The antenna and RF subsystem G/T shall be consistent with and ranging over the the

telemetry of provision

spacecraft lifetime, including emergency operation via No antenna system with a the spacecraft's omni antenna.

G/T of less than 30 dB/K shall be provided.

Conditions of Operation

The antenna

expected to

subsystem including operate throughout

in conditions encountered

Hong

shall structure, the range of weather

At CDR, Kong.

be

the

contractor shall define the range of operating conditions in which the antenna subsystem:

i)

Meets all performance specifications

ii)

operates with degraded performance;

7.1.5

7.1.6

Survival

The antenna

including subsystem

structure

shall

be

capable of surviving winds up to 215 mph in the stowed position.

Pressurization Subsystem

A continues dry air distribution system shall be provided with the capacity to distribute dry air through the Combiner, Antenna feed and waveguide.

7.1.7

Test Translator

A

7.2

7.2.1

7.2.2

the using

command-to-telemetry

the

test translator translation frequencies shall be provided between uplink RF subsystem output and the down-converter inputs, with switching as required to route the test translator for station loop output to the desired down-converter, monitoring and testing of all uplink signals.

Uplink RF Subsystem

The uplink RF subsystem shall be equipped with all units necessary to convert satellite command signals from IF to the desired RF frequencies and amplify each uplink to the transmit power level required at the antenna.

Up-Conversion Subsystem

The Up-conversion Subsystem shall be equipped with all units necessary to

to convert the command signals from the appropriate IF to the desired RF frequencies.

Channel Selection

19

1