FRIDAY, SEPTEMBER 20, 1991
"ONE EXAMPLE IS THE RADIO DATE SYSTEM
RDS. THIS PROVIDES
AUTOMATIC FEATURES SUCH AS
TUNING, AUTOMATIC SELECTION OF CHOSEN PROGRAMME TYPES AND ACCESS TO TRAFFIC INFORMATION FLASHES.
BEING
"A DISPLAY ON THE RECEIVER CAN PROVIDE PROGRAMME CHANNEL IDENTIFICATION,
DATE, TIME AND EVEN DETAILS OF MATERIAL BROADCAST.
"IN THE FUTURE, MORE ADVANCED FEATURES MAY BE ADDED TO
THE SIMPLE GRAPHICS SUCH AS WEATHER MAPS. THERE MAY ALSO BE TO CONNECT TO A PRINTER OR HOST COMPUTER, SHE ADDED.
"
PROVIDE
FACILITY
MRS CARTLAND SAID THE PUBLIC AT PRESENT HAD NO DIFFICULTY IN
AND CHANNELS, RECEIVING HIGH QUALITY STEREO PROGRAMMES ON FM
SHOULD AM CHANNELS IN BE ABLE TO LISTEN TO STEREO RADIO PROGRAMMES ON NOT TOO DISTANT FUTURE.
THE
RADIO
ALSO SPEAKING AT THE PRESS CONFERENCE, THE ASSISTANT POSTMASTER GENERAL (TELECOMMUNICATIONS), MR AU MAN-HO, SAID THE STATIONS IN HONG KONG WERE BROADCASTING IN THE VERY-HIGH-FREQUENCY VHF/FM BAND AND THE MEDIUM-WAVE AM BAND,
"THERE ARE SEVEN TERRITORY-WIDE PROGRAMMES IN THE VHF/FM BAND AND SIX PROGRAMMES IN THE MEDIUM-WAVE AM BAND, HE SAID.
TO IMPOSSIBLE
"THERE ARE SEVEN SITES USED FOR VHF/FM BROADCASTING. AS SUCH
IT SIGNALS CAN BE OBSTRUCTED BY HILLS,
19
COVER THE ENTIRE TERRITORY FROM ONE SITE.
SHOWS "THE MAP ON THE FREQUENCY CHARTS
THE AREA COVERED BY EACH OF THE SEVEN SITES. THE SEVEN SITES HAVE ΤΟ TRANSMIT ON DIFFERENT SETS OF FREQUENCIES IN ORDER TO AVOID MUTUAL INTERFERENCE.
"THEREFORE SEVEN FREQUENCIES HAVE TO BE USED FOR EACH OF THE SEVEN PROGRAMMES WITH A TOTAL OF 49 FREQUENCIES," MR AU EXPLAINED.
"WITHIN THE AREA SERVED BY EACH SITE, TO GET THE BEST QUALITY OF RECEPTION, ONE HAS TO TUNE THE RADIO TO THE FREQUENCIES OF THAT SITE, HE POINTED OUT.
77
AROUND
TURNING TO MEDIUM-WAVE AM BAND BROADCASTING, MR AU SAID THE MAIN TRANSMITTER STATIONS WERE LOCATED AT GOLDEN HILL AND PENG CHAU.
"BECAUSE RADIO WAVES IN THE MEDIUM-WAVE BAND CAN TRAVEL OBSTRUCTIONS, ONE STATION CAN COVER MOST OF THE TERRITORY.
"HOWEVER, TO IMPROVE THE RECEPTION QUALITY OF THE SIONALS TRANSMITTED FROM GOLDEN HILL, THERE IS ONE LOW-POWER STATION AT CHUNG HOM KOK TO COVER THE SOUTHERN PART OF THE HONG KONG ISLAND, HE SAID.
"I
OTHER SPEAKERS AT THE CONFERENCE WERE THE ASSISTANT
DIRECTOR OF BROADCASTING, MR SIMON LUN; THE MANAGING DIRECTOR OF METRO MR CRAIG QUICK; AND THE PROGRAMME DEVELOPMENT MANAGER OF HONG KONG COMMERCIAL BROADCASTING CO. LTD, ERIC YEUNG.
BROADCAST CORPORATION LTD,
MR
/REPRESENTATIVES OF