month took place in April 1964 when no less than 66 broadcasts took place outside the studios, an average of more than two per day.
66. More use of VHF links was made when operating in remote districts and where casual land lines are difficult to obtain. The main Outside Broadcast Van was modified during the year and a pneumati- cally operated telescopic mast was installed in it. This was of considerable benefit in VHF link work and it made the setting up and operation of remote outside broadcasts quicker and more efficient.
TRANSMISSIONS
67. There was no change in the deployment of the medium and shortwave transmitters during the year.
RUNNING HOURS AND INTERRUPTIONS TO THE MEDIUM AND SHORTWAVE SERVICES
Allocation
Transmitter Callsign/Freq.
Running Hours
Due to TX
English
ZBW 860 Kc/s.
6381.12
1 min. 25 secs.
Service Interruptions
Due to other causes 10 mins. 10 secs.
Service
Chinese
ZEK 640 Kc/s.
6356.18
4 mins. 15 secs.
12 mins. 05 secs.
Service
ZBW3 3940 Kc/s.
6457.44
**
Standby TBM 860/640 Kc/s.
259.02
8 mins. 42 secs. Nil
10 mins. 55 secs. Nil
VHF/FM STATION AT MOUNT GOUGH
68. Apart from transmitter outage due to typhoon and lightning damage in August last year some interruptions to the VHF/FM station were caused by failures of the mains power supply which, for untraced reasons, appeared to have occurred more frequently towards the end of the year.
Date
9. 8.64
21. 8.64
4. 9.64 30. 9.64 4.11.64 29.11.64
Programme Interruptions
94 Mc/s/Chinese
Remarks
Transmitters damaged by rain-
water during Typhoon Ida.
nents damaged by lightning.
91 Mc/s/English
2 hrs. 0 mins.
2 hrs. 30 mins.
51 mins.
1 hr. 10 mins.
Blower motor and other compo-
1 hr. 36 mins.
1 min. 1 hr. 28 mins. 4 mins.
1 hr. 36 mins.
1 min. 1 hr. 28 mins.
4 mins.
Power failure. Power failure.
Power failure. Power failure.
6 hrs. 49 mins.
6 hrs. 0 mins.
14
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