phone circuits and with the exceptionally good quality made available by bringing into use of the COMPAC and SEACOM coaxial submarine cables, the demand for voicecast facilities increased considerably during 1966-68.
RESITING OF MEDIUM WAVE TRANSMITTING STATION-GOLDEN HILL
70. The resiting of the Medium Wave Station from Hung Hom to Golden Hill in the New Territories was completed and the station went into operation on 26th January, 1968.
71. Briefly the new station consists of two pairs of 10 KW transmitters giving an output through a diplexer into a common 300 feet mast radiator of 20KW for both the Chinese and English Services on 640 and 860 KHz respectively. Modulation of the transmitters is carried out by off-air pick up from the FM services at Mt. Gough and lines are available for emergency and when the FM services are carrying a different pro- gramme to the AM services. All equipment is of the most modern design and manufactured and installed to Cable and Wireless Ltd's specification by Standard Telephone and Cables (Pty.) of Australia.
BROADCASTING HOUSE
72. Plans for the new Broadcasting House were completed during the year including utilities, electronic facilities and wiring and the tenders awarded. Work commenced on the building site at Broadcasting Drive in Kowloon at the beginning of 1968 and progress to date is on schedule.
73. The Engineering department of Radio Hong Kong prepared all specifications and wiring lists. Some 400 technical drawings were prepared by the Department.
74. The Installations Workshop in Rodney Block in the old HMS Tamar complex was busy throughout the year in the development, design, modification and wiring of equipment to be used in Broadcasting House. Among the equipment designed and fabricated were:
(a) Crystal Clock Pulse Generator.
(b) Line Sending Amplifiers.
(c) Sequential Monitor Switching Panels.
(d) FM/AM changeover panels.
(e) Tone Generator Units.
(f) Continuity Announcers Consoles.
(g) Studio Control Units.
(h) Wiring of equipment into 8 Master Control Racks.
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