1932-01-07 — Page 2

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HONG KONG DAILY PRESS, THURSDAY JANUARY 7, 1932.

RADIO

EVERYTHING 9:E.C.

ELECTRICAL

your guarantee

GECOPHONE ALL-ELECTRIC RADIO SETS

and

RADIO GRAMOPHONES SPEAK FOR THEMSELVES

ĮDEMONSTRATIONS DAILY

from 11.00 a.m.

All apparatus to the value of £5 or over can be supplied on hire purchase terms.

Free service for 3 months

G.E.C. SHOWROOM Queen's Building, Chater Road, Hong Kong

Osram

Valves

PURITY OF TONE

THE

SINCERE

LIMITED

CO.,

THE LARGEST RADIO DEALERS

IN HONGKONG & SOUTH CHINA

ARE

THE ONLY AUTHORISED

AND ACCREDITED

FEATURES

EXTENSIVE MARCONI BRITISH RADIO LIGHTHOUSES AND accomplished by synchronising the

INSTALLATION.

ON NEW LUXURY LINER.

IT

DEVELOPMENTS.

EMPIRE WIDE PROGRAMME THIS YEAR,

Travellers in Furness Withy's new luxury liner Monarch of Bermuda London, December 9-It is have every facility for rapid co-learned that important develop munication both by wireless telements, like an Empire-wide pro- graphy and wireless telephony. gramme, which will materialiso Up-to-date Mareani oquipment for within a year, have influenced the both these services has best instal Government's decision in conneo- led and, in addition, one of the tion with the appointment of gov. new types of Marconi Band Reernora for the British Broadcasting peater installations with 30 loud Corporation in consequence of the speakers is provided.

expiration of the present board's, The telegraph installation con- tenure-of five years in office. sists of a 2-kilowatt valvo trans

Lord Gainsford director of mitter as the main set and a several colliery companies, has been kilowatt spark emergency trans- re-appointed vice-chairman for a mitter which is driven by an inperiod of five years, while Viscoun- dependent accumulator battery. tess Snowden, wife of the former The receiver covers the full sommer Chancellor of the Excheqns, and cial range of long and short wave Dr. M. J. Randall, who was a foot- fengths for all types of transmisball Blue at Cambridge and for 13 sion, Spark, LOW., C.W. and years headmaster of Winchester, Telephony, and included in the re- will sit as governor for another ceiving instrumento are special year... facilities for eliminating interfer enes by local stations when it is

tances.

WIRELESS.

wireless and the sound signal- and transmitting them simultaneously. The wireless, signal travels through.

THE VALUE OF CO-OPERA-the other in an immeasureably short

TION IN NAVIGATIONAL

SERVICE

Navigational aide, to ancist shipping in making port take three forms (1) light rignals · for clear weather; (B) sound signals for

uxe in fog; and (3)". , wireless signula which are avail able in all weather conditions and permit accurata bearings to be taken over long distante, «

Mr. J. P. Bowen, Engineer.

pointed out in a lecture to the in-Chief to Trinity House,

International Illumination Cauz gress at Birmingham, that each of these aids Ans a specific duty to perform and that lighthouses will attain a new valúc through working in co-operation, with wireless' aids, Lights, from the navigator's point of view, xiny be divided into three

spapo of time, while sound in water travels at the rate of approximately amile per hecond, Distance can thus be readily computed by noting the difference in time which elapsen between the reception of the two signals.

ارم

The other type of radio beaton operates in the reverse manner, tho rotating frama serial being at the transmitting and and the red aerial at the receiving end. With this system the transmitter must be installed at a lend station, as it depends for its functioning upon fixed; zero.

Wireless Telegraph

11

Wirclass telephippes are installed in light vessels and rock light houses, and are used for oral com- munication either for life-saving purposes or for reporting passing shipping, besides the general service messages which are necessary in con-

nection with casualties, extinction

HOME TELEVISION IN TWO YEARS.

SPEAKER'S PREDICTION AT BAIRD COMPANY MEETING.

London, December 31.Television in homes and theatres within two years we the prediction made by Major Church, one of the directORE, at the annual general meeting of the Baird Television Company.

By then, he stated, the radio manufacturers in Britain and, in other countries would be devoting most of their plants to the produc tion of television apparatus.

Television is no longer restrict ad to close-up views of the head and aboulders," stated Lord Ampthill. It is now possible to transmit scone consisting of a group of several persons and to broadcast specially written plays”

active sphero, has a specific duty to perform which cannot be under-

taken by any of the others. The

A now governor is the noted com- mercial and financial export, Mr. desired to receiver over long dis- Harold G. Brown, who has been categories, said Mr. Bowen: Land appointed for five years in suçcus+

fall lights, constal lights, and port of lights, and weather conditionsradio beacon during fog, providen The requirements of navigation.sion to Sir Gordon Nairne, who has and harbour lights; and it is neces- They are sometimes equipped with assistants to the master of a ship for taking wireless bearings of dis

resigned.

sary to give to each a distinguisha bolly-calling device which enables by showing him what course to tant objects, are met by the Mar. All the appointments have receiving characteristic in order that one station to call up another when shape, while the audible und coni Direction Finder, of which thed the approval of the King.

one may not be mistaken for an required without the necessity of an

signal warns him when he is run-

other

operator always listening in. This ning into danger, and the light

Intert type with the rigid fixed

frame aerial system, is atted. Onc

Television Possibilities, The construction of a special telo-

This involves & consideration of of the lifeboats also carries a wifo-vision studio is being planned by the intersity of the beam required, less transmitter and receiver with the British Broadcasting Corpora- the source of light available and the an accumulator battery as a soures tion in its new palatial broadcast characteristic which the light han of power. This act is exceptionallying house, which is equipped with to exhibit. efficient and has a range consider the Baird' television transmitting ably in excess of that demanded by apparatus. This is a sequel to the regulations.

recent announcement. by the Cor: poration that it had initiated dis-

Sound Signala.

:

The coastwise lights, although valuable to the mariner in enabling Wireless Telephone Equipment.

him to make his port of call in clear. The wireless telephone equipment cussions with the Baird Television weather, lose their usefulness when in the Monarch of Bermuda is of a Company to explore the possibility they become enveloped by fog, and type specially developed. for naval of more active participation in teleother navigational aids have then and mercantile use, and can, invision transmission, with the object to be provided for enfeguarding addition, be used for wirelem tele of studying its entertainment as- graphy if required. The trans mitter can be tuned to any wave; length between 20 metres and 197

poct.

Latterly the British Broadcasting Corporation itself originated tele- vision programmes, but these wera chiefly for experimental and trade

shipping. These aida take the form of cound signals, both serial and under water, and wireless signals, the latter being of comparatively recent introduction.

metres, but a practies Ave wave. lengths are found to be efficient for the telephone service, any one of shem being brought into use to purposes. meet the conditions of the moment. The new Empire broadcasting sta A single wife aerial 120 ft. long is tion which the Corporation is erect used for the wireless telephone net.ing at Daventry will comprise two The receiver, with a a waverange of transmitters, each capable of work from 15 metres to 120 metres, is doing on a number of war lengthepes. One of

Wireless Signais,

Radio beacons are established for the purpose of enabling ships to obtain direction, and are of two

Bigned and constructed for n so that various parts of the Empire stationary commista of

standard of quality of reception.

The two wireless telephone sta tions with which the ship will

normally communiente will be at

New York and Bermuda, and

through these stations the ship will be linked with the telephone systems

Sole Agents and Distributors of the world.

SINCE

FOR

PILOT RADIO & TUBE

CORPORATION

LAWRENCE MASS.

MASS, USA.

THE LARGEST RADIO PLANT IN THE WORLD

Band Repeater 324 Music Player.

transmitter

will be reached at times suitable for sending out in all directions at re-. [facad

gulated periods, a characteristic

is actually a form of distans con-house light, when he sees it with trol

his own eyes reassures him that ha Each aid to navigation, in its re-has correctly laid down his positions

(Continued on next Colums.).

on the chart.

HAVE YOU HEARD THESE?

Here are lists of long-waTS and short-wave stations which" should be plaked up by anyone" in Hong Kong who has a mode. rately good set ruitable for re- ceiving such signals: Success In picking up these stations also deponda very largely upon fav. ourable atmospheric conditions. Readers are invited to add «te this list should they succeed in picking up any" station not in cluded in either of these lists."

BEATION

LONG-WAVE STATIONS.

Wave length

(Metres) Station

Call Kilo Signerele KALB 1,13 K.S.M.S. 1,083 3.0.A.K

670 860

846

810

6580

200 Manila 277 Shanghai 345 Tokyo 353 Hiroshima "J.O.F:E. 386 Hong Kong Z.B. W. 367.1 Bombay«V.U.B 301 Sapporo J.O.IK 366 Feijo D. J.O.D.E. 890 370 Nagoya J.O.UK 810 370.4 Calcutta. FU.C 380 Kumsinoto J.O.G.K. -300- Sendai 395 Daisen. 400 Oaks

110 Canton

480 Manila

SHORT-WAVE STATIONS.

CALL NIGH

oux

CYCLES

800.0 790

JO.HK 170 J.Q.A.K. ·T60

OF VESTES R.ZEM exs

Tris (Hong Kong)

OF WORKING,

4484 Mon, Wed. &

0.13 Khabarovsk (Russia) | RA.97.

A.G.J. Mosco

R.V.N. $1.MA

4,000 || 6-10′p.m 5,291 Not regular

The Corporation has had a very successful your. Its stations transcode signal indicative of the station. 87:56 Bobins (Gemany) AFK: mitted for a total of nearly 68,000 For taking a bearing of the bacon 167 houra during the past year, and the ship must be fitted with a direc percentage of breakdown time, was tion Aixter which campings

special form of wireless receivers coupled to a frame aerial The radio

compars

or direction ander when installed on board ship is set with its caro on the fore and aft line of the vessel, and all bearings

only .03.

The Marconi Band Hepeater in-speaker can be switched over to a stallation in unique bath a to the microphone for announcements by extent of the equipment and in the the Captain or the Purser. choice of entertainment available.

Look (Holland) 4PJ 7 Bangkok (diam).

H94PJ. 1.B.L Uydawy Vo 148 $1.68 Melbourne'.

Saamnectady 12.20 Eindhoven (Holland) Bes

Sydney Nairobi (Kenya) Bydney

A double turntable gramophons are given relative to this line. To 7 Bandoang.

770-Fadip-58 Chapt

of, tha

Menila

Waneourly boy 38% Bcharectady

1.6. până 2

5,000 Tue, Thurs, Sat., 8 pmi 6,698 Bunday midnight

1780'-Daily E

8,108. T. Fri, 9 pm-1am 0280 Not regulae

9,508 Not pegular

0,077 Midnight daily

12 240 Nightly

3.m. dally.

Gid Bunday

| 12,850 g Km, Wed., Fri., Bat

16,100 Daily 080pm: to midnight

S.F.O.

9,500 Not

T.L.O...

EME.

P.LE

· 10,628 "Not sögular 11,020 Midnight

KLIE

W.LLO

PIAG

15.5.

Kootwijk (Hollan 177. Bandoang. 18.0 Bangkal 188 Kootwijk (Holland) 15,74 BandongT Na 18.99 Pitt og u

1.

S.LE. P.O.K

A total of 38 loud speakers, of very unit, amplifier, motor generator obtain the true bearing of ang sizes are installed, being disset, and other seemories are instal-beacon the true tibuted between the private suites, led in the Cinema Room of the ship. ship's head publie rooms and dancing spaces on Microphones mounted on stands read and added to the ascertained 18.68 Bandong, deck A choice can be made for will be used in the Badeen, an the wireless bearing thoso loud aedkern, from the stage and on the Dancing Decks, The fixed radio beacon can be in sources of entertainment, to relay concerts, dance music and atalled on a floating base as well as broadenst reception, gramophone other items to other parts of the on shore stations, and it is some music, or the ship's orchestra or ship. Broadcast entertainment will times installed in a Eghtship I concerts. Provision, is also made be received on a special receiver for an underwater sound signs) ja also for making apesial or admgency the band reppatar. Each loud-installed in the lightship the two Announcements, whereby every loudspeaker is fitted with its own volumalaignals can be combined to give dis [{{{7 com finoterizza foot of next columni) pantral and OD

tanoesaawallas direction

12,280 Dily 8 pizd., to midnight 17761 Sundays 7 p.m & midnight 18,404 Bach afternoon. 19.220 Day 6.30–4 p.m.

WEIC FIEBC Hesar

fAllowance

must be made.

most Etre