TNAG-0351-FCO40-387-Future-of-broadcasting-in-Hong-Kong-1972 — Page 118

G.F. 323

0003230

CONFIDENTIAL

機密

- 6 -

electrical characteristics are fully compatible

with those of Television Broadcasts Limited's

existing transmitters as well as those of

Services II, IV and V.

(b) Equivalent input conditions shall be

provided at the combiner for the transmitters

of service VI.

(3) (a) Aerial arrays shall be designed and

constructed so as to ensure that they will

withstand wind of speeds up to 200 miles per hour.

(b) where an existing structure is utilized for

mounting the aerials the maximum permissable

loading of the structure shall not be exceeded.

(c) Aerials shall be designed so as to ensure

that the minimum fluctuations in signal strength

are produced by deflection under wind loading

conditions.

(4) (a)

The aerials, combiners, feeder cables and

other associated items of communal aerial

equipment shall be designed so as to ensure

that they are able to handle continuously the

total maximum output powers of all transmitters

to which they are connected or intended to be

connected.

(b) All air-spaced feeders shall be suitably

pressurized.

CONFIDENTIAL **