TNAG-2109-FCO40-3008-Outer-Space-Act-1986-extension-to-Hong-Kong-1990 — Page 109

om the spacecraft, ground station calibration and processing are less than 30 meters (RSS).

The Contractor shall provide equipment to measure the absolute phase delay of the station from transmit baseband, through uplink and

downlink antenna equipment, and back to receive baseband. calibration the system shall allow convenient repetition of a

(IF) to account for measurement at the intermediate frequency changes in the station calibration.

4.2.3 Special Purpose Uplink Equipment

Any equipment necessary to provide special modulation on the command uplink to allow for RF Beacon tracking shall be provided.

4.2.4 Telemetry Processing Equipment

demodulate and

The

Telemetry equipment shall be provided to process the spacecraft Telemetry signals and provide the data in a format acceptable to the computer system. specified format is PCM. Under normal on-station operating conditions the telemetry bit error rate shall be less than 1 in 106.

4.2.5 Telemetry Data Display

independently of the

for

"quick-look" purposes, a device shall be provided which

simultaneous display of

Operating

will

allow

selected channels format:

of

spacecraft

computer system,

eight

in data

(8) operator the following

i)

Analogue, suitable for driving a strip chart recorder;

ii) The octal equivalent of the digital word supplied to

the GCE Computer.

4.2.6 Spacecraft Simulator

То

operator provide

subsystem

and training

system checkout

capability, a spacecraft Command, Ranging and Telemetry simulator which replicates the functions of the spacecraft CR&T

provided. spacecraft simulator shall provide:

shall

be

As

minimum a

the

i) Command: On receipt of a command the simulator shall

insert the command into the telemetry stream.

ii) Telemetry: Two (2) telemetry beacons and all modes of One PCM stream at a time operation shall be simulated. shall be available. Each mainframe word and subcommutated

word in

variables associated

shall be

each

as

all

of

the PCM system as well with other modes of operation

set A nominal individually adjustable.