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Se a rear CABLE TELEVISION IN OSHAWA TO REACH 20,000 HOMES More Channels SOG antennas are installed on the first mast. Readings are being made to deter- mine setting for maximum signal. The 150,000 feet of the newest type of alumi- num cable has been strung SRR . S and 30 transistorized ampli- fiers and extenders have been installed along the line. The antenna can be seen on the Prestonville Road south of Highway No, 3. = Clearer Picture No Antenna Oshawa Cable TV is a giant er of = large and grow- rvice in Canada. In Osh- the recently completed ice is expected to reach some 20,000 homes, Throughout Canada some 250,000 homes are connected with Cable TV. Cable television went into op- 9 eration in several Oshawa homes recently. "Ted" Jarmain, an official of the new company me the service says Oshawa able TV expects to have cable laid along every street in Oshawa by the end of 1967. By that time there will be about 250 miles of cable worth more than $1,000,000 buried or strung between telephone poles along city streets. Cable TV gives better recep- tion, more channels and elim- inates the need for antennae, said Mr. Jarmain, The company has a comm- unity antenna on Prestonville Rd., located five miles east of Oshawa, Two 150-foot aerials fitted with separate antennae for each channel pick up the TV signals. Equipment at the community antenna then amplifies, filters and feeds the signals into the cable for the journey into town. Located at 4,000 - foot inter. vals are boosters to maintain the signal at even strength. In the city these amplifiers are spaced about 2,000 feet apart. The cable is installed for Osh- awa Cable TV by Bell Tele- phone. The company also pays Bell rent for the use of their poles, About 40 Bell employees and Mr. Leask who ran a small cable TV installation at Brook- side Acres. There are currently about 350 cable TV networks in Canada and about 1,600 in the U.S, Avaliable are channels 6 and in Torono; 2, 4, and 7 in Buffalo, channel 11 in Hamil- ton and Channel 12 in Peter- borough. Also avaliable to sub- scribers but still in the exper- imental stage are four sta- -- on FM radio broadcas- 8. "We have installed the best| color receiving heads avaliable on our tower, and people with color sets find they cannot get better reception from antenna than they get from our cable," says Mr, Leask. Cable TV's 150 foor tower stretches to an altitude of more than 650 feet above sea level to come into line - of - sight with all eight channels the service provides, The tower carries a separ- ate antenna for each station, each of which carries a special screen to eliminate interference from the rear. The antennas are stacked to keep co - channel interference to a bare minimum. Channel commanders are used to filter out interference from adjacent channels, for example, to prevent Channel 3 in Barrie from interferring with Channel 4 in Buffalo. The channel commanders are equipped with AGC controls to keep sound and picture output constant, Eliminating picture fades and drifting of sound. subcontractors are currently|frequency control, insuring per- engaged in installing cable,|fect tuning in all situations, Oshawa Cable TV employs a/ The distribution system set dozen technicians and sales-jup by Cable TV contains the men. best transistorized amplifiers Oshawa Cable TV was set up/avaliable to this date to elim- by William Leask, the president/inate breakdown from tube fail- and principal shareholders,| ures. Other shareholders include Jar-| The 35 miles of transmission main Teleservices Ltd. andjlines consist of aluminum co- Famous Players Corp. axial cable and air dielectric By the end of October CATV) coaxial cable. will cover the area bordered} Together with automatic gain by the CPR tracks, Ritson, king/controls and thermatic equal- and Wilson. izers, these insure a constant A month later Oshawa Cable|signal to all homes. TV hopes to have laid cable in} The system is designed so the area bordered by the CPR/that every house in the tracks, Stevenson, Adelaide and/receives the same amount of Harmony. Signal ~ ~- -1,000 microvolts = - The company was set up by'on each channel, Cable TV: 'How It Started, A CABLE TV Installation Expert hooks up another Charter Member. This hook up is done by means of a metal block which is clam- ped on to the aluminum @evered distribution cable How It Works Bill Jones loves the excite-not a program service as is ment and fun of TV as do hisipay ~- TV. friends, his family and his} CATV systems have managed fellow townspeople. Yet ex-/t9 bring their unique service for some far - sighted/to the public at modest prices. cept local businessmen, Bill's town|/Using CATV, you do not need |Professi might not have TV. to put up your own expensive When television started, sta-/rooftop antenna, As a result tions developed first in. big|there is no danger from wind- cities where they reached a/Storms or lighting damage. large population, But in vast! A few points about TV signals areas of the country people $0t/must be explainéd to under poor pictures or none at all.}stand why CATV systems fill Without a local station, Bill|/@ unique position in their com- Jones must get his TV from|Munities, Radio signals tend to a station in some nearby city,/follow the curvature of the But many communities are in|arth. As a result they can mountain valleys or far away be heard easily over great dis- from a TV station and cannot ener Not so television sig- ' get good reception. ni = \a town located far from a tele- wire to the the Bell Telephone wire and js in- stalled in much the same manner, During 1949, TV did come to vision station. Eager to bring toria, Oregon, a group of en- gineers found a solution that would please Bill Jones. Their solution was a community-wide i master antenna system. | In the following year another! group of enterprising men wor- ked out a similar solution fo coaxial 5 ia t . Qui | The farther you are from a jtwo Pennsylvania towns. Quic! wi dale, tb miee 4 distance ly and dramatically, using a jsurronded by mountains quently cannvi get a good pic- Television signals travel in a Straight line as does a beam . After broadcast, the F ithe benefits of television to As- oe Continue into space as he earth's furface curves and falls away underneath them. BELL ..TELEPHONE.. COMPANY _ linemen put technical know-how ception on as many channels as possible. To do this, the pro- per antenna location must be found. The CATV operator is instruments, for the place near town where master antenna re- ception is best. In this manner all subscribers receive pictures from the best receiving. point. Sometimes the best antenna location is far away. Then oper- ators frequently rent an expen- sive, long distance microwave -- to bring the signals to n. Even the design of the mas- ter antenna itself is a special electronic to the CATV oper- ator. As a professional, he skilfully uses equipment which has been specially designed, It is much too complicated and ex- pensive for the average home owner. A_ separate antenna, electronically tested for peak reception on each channel re- ceived, is pointed toward each TV station. But the master antenna is only a part of the costly elect- ronic gear that makes up a CATV system. The CATV cable route through town also must be specially with onal care and expert electronic skill. Equipment at the the special cable. The cable is cov- ered with costly protective ma- terials to prevent elecirical in- terference. Some systems use as much as 200 miles of cable alone, These cables, known as coaxial cables, are usually at- tached to electric power or utility company poles, The The CATV operator Mountains can block - out Tv|SUte the signal remains strong ignals and wreck your recep- ion, TV set owners in a valley master antenna system, Com-|Some and expensive become munity Antenna Television (C-|Your reception problems. Ordi- S\ATV for short) sprang' to life|2@ry housetop antennas in this | 4 ' and to the rescue of Bill Jones . laa his TV ~ less community, /Satisfactory, They do not reach Basically, the CATV system uses a giant (or master) an- 'fringe area are frequently un- high enough. By placing specially design- on its journey through town. Without aerial 'amplifier' fre. equipment the TV signal would) become weaker and weaker the farther it travelled along the cable. Just as a long pipeline needs to work installing co ~ axial cable from house to house. These main trunk cables rie from interfering with Channel ¢ in Buffalo on your TV screen. The channel commanders are equipped with AGC controls to keep plifiers" along the cable. The subscriber living farthest from the master antenna then gets a strong, even signal. Each service by an individual: tenna to receive normally weak|/@d antennas on a high tower./connection to the main coaxial signals. Each subscriber has/Sometimes built as high as 750 his own set connected to the/feet, the CATV system can master antenna cable instead of Teach the strong signals. using a home antenna. Yet "fringe" area reception CATV is not pay - TV. Injis_ only one of the problems pay TV you purchase ly on a pay basis. In CATV ithe convenience of being con-| mountains. nected to a fully equipped ma Iten antenna, Clearly, CATV. i pregra ividual.|reception in' " a -- - see |>y placing the master antenna/ channels you pay, for/on top of one of the surronding | His servi are expected to/Solved by CATV. Problems of are solved The CATV operator serves cable, In the same manner, CATV systems serve many hos- pitals, hotels, apartment motels, schools and colleges. sible for people munitier deal to the and education of his com his towa with the best TV re-jity. MODERN ..S WEEP TRUCK is used by Cable TV to "sweep" all cables after they are put up, and to find faults that occur when cable is damaged by wind and weather, The @ quipment is capable of find- ing a pinhole in 1,000 feet of cable with in an accur- acy of three feet. It includes the only flectometer and spectrum analyzer in use in Canada in CATV sys tems, Parts of the Unit, Which ts valued at $25,000, have been loaned to CATV. systems as far away as Alberta.