week 4 Asian and Thai History of BR and Radio Waves.pptx

7/25/2019 week 4 Asian and Thai History of BR and Radio Waves.pptx

1/27

5thWeek 9 Feb 2016

Asian and Thai History of Broadcaand Radio Waves


2/27

The o!ing of Broadcasting in AsiThe o"dest radio station in Asia #as introd$ced in %ri &anka aro$n

&ater( Radio %)A #as fo$nded d$ring WW** for e+,"oitation of a"*n 19-9( it #as shifted to .Radio ey"on/ and the station beca!e

196 d$e to the inde,endence'

Aro$nd 192-( the radio station in the hi"i,,ines #as fo$nded by

A!erican b$siness!an' After#ards( a"" radio stations in the hi"i,

to be added .3/ before other "etters( "ike 3)4( 3R( etc'( re,r

the i!,"ication of A!erican co"ony'

The Radio or,oration of the hi"i,,ines #as a s$bsidiary of A!e

co!,any RA Radio or,oration of A!erica7'
https://www.youtube.com/watch?v=yTATd2G5F4ghttps://www.youtube.com/watch?v=yTATd2G5F4g


3/27

The o!ing of Broadcasting in

The 8rst radio station in a,an #as :A in Tokyo( o,enin

arch 22( 1925'

;Thanks to the 4reat anto )arthation

broadcasting stations'


4/27

History of Te"evision in Asia*n 1926( en?iro Takayanagi( one of the #or"d@s ,re!ier innovato

dis,"ayed a c"ear i!age of the character on a Bra$n t$be on

This #as fo""o#ed by the s$ccessf$" e+,eri!enta" TC trans!issio

of a ,erson in 192D -0 scanning "ines( 1- fra!esEsecond7'

*n 19( TakayanagiGs tea! constr$cted a TC set #ith --1 scanni

fra!es ,er second( at the ti!e the #or"dGs best( and near"y e


5/27

4reat a,anese discoveries

The 8shbone"ike antenna $sed thro$gho$t a,

for receiving terrestria" TC broadcasts( #as inven

in 1926 by H' Iagi and

%' Jda of Tohok$ *!,eria" Jniversity'


6/27

a,anese TC Broadcasting:n A,ri" 1( 19-0( the 8rst a,anese TC dra!a

,rod$ced for broadcast to the Broadcasting HAtagoya!a' *t #as I$ge!ae by Jhei *!a' Tbroadcast "asted a,,ro+i!ate"y 12 !in$tes'

The ,rod$ction of the 8rst co!!ercia" set in 1the 8rst ,$b"ic broadcasts by =H'

The =i,,on TC =et#ork or,oration

#as the 8rst to co!!ence reg$"ar

broadcasting on A$g$st 2D( 195'


7/27

o!!ercia" TC broadcasters

*n 195D( the Tokyo To#er #as co!,"eted( great"y e+,a

service area #ithin the anto region'

By 1959( fo$r key co!!ercia" stations

had been estab"ishedK

=i,,on Te"evision =et#ork or,oration =TC7(

TB%( F$?i TC( and TC Asahi'


8/27

*ncredib"e a,an*n 1960( a,an beca!e third co$ntry in the #or"d

reg$"ar co"or TC broadcasting after the J% and $

The Wor"d@s 8rst TC :"y!,ics in 196-' The ne#

techno"ogies #ere introd$ced s$ch as c"ose,ick$

!icro,hone and s"o#!otion CTR'The hi"i,,ines #as the second co$ntry to "a$nch

in Asia s$,,ort by RA'

;Thai"and 8rst "a$nched co"or TC in 196 and the

station #as channe"'
https://www.youtube.com/watch?v=I7sK2szyQnohttps://www.youtube.com/watch?v=I7sK2szyQno


9/27

Thai"and@s radio and TC history*n 190( the 8rst te"egra,h #as $sed for !i"itary@s activities tra

bet#een Bangkok and %ongk"a' Ra!a C@s era7

*n 191( the ter! .radio/ #as changed to Thai .#ittay$'/ Ra

*n 192( rince $rachatra ayakara( the father of Thai radio( 8

broadcast voca" so$nd and !$sic by a short#ave trans!itter $

#atts' Ra!a C** era7

*n 190( the 8rst radio broadcasting station ca""ed hayathai ra

Jnti" 19-1( the station #as changed its na!e to .the =ationa" R

Broadcasting of Thai"and'


10/27

Ra!a C**@s Address

.MRadio broadcasting is !eant toenhance ed$cation( trade( andentertain!ent for !e!bers of the

,$b"icM/


11/27

Thai"and@s Radio and TC Histo&ater on( the radio broadcasting #as $sed for the !a

,o"itica" aNairs s$ch as ,ro,aganda( ,o"itica" revo"$t

nationa"is!( etc'

The 8rst te"evision #as broadcast in 1952 and the 8r

co!!ercia" radio service #as broadcast in 195-'

*n 1955( Thai TC hanne"- #as estab"ished' *t had 52

scanning "ines' T#o years "ater( it s#itched to $se 62

the ne# station #hich #as hanne"9'


12/27

Thai"and@s Radio and TC History*n 195( hanne"5 beca!e the second TC bro

station'

*n 196( hanne" 8rst "a$nched a TC ,rogra!

and beca!e the 8rst co"or TC broadcasting in

The sho# #as .iss Thai"and in 196'/

*n 190( hanne" #as the second co"or TC

broadcasting'


13/27

The 4o"den Age of Thai TThere #ere .Free TC/ and .%$bscri,tion TC/ for ,

*n 19DD( hanne"11( R( to broadcast abo$t

govern!ent@s ne#s and activities'

*n 19D9( *B internationa" broadcasting cor,orat

8rst Thai cab"e TC'

*n 1990( Thai %ky cab"e TC and JTC ab"e =et#or

*n 199-( *TC #as broadcast on Free TC'


14/27

a?or %#itch on Thai TC

*n 199D( *B !erged #ith JTC res$"ting in JB

&ater( it changed na!e to .JBTr$e/ in 200

.Tr$eCisions/ in 2009( res,ective"y'


15/27

a?or %#itch on Thai TC

*n 2002( hanne" 9 to odern9 TC'

*n 200( *TC changed to T*TC and 8na"i>ed to Tha

200D'

*n 200D( hanne"11 changed to =BT'

By 2016( A"" TC syste! sho$"d be trans!itted in d


16/27

The *!,ortance of Fre


17/27

Radio Waves

Radio #aves are a ty,e of e"ectro!agnetic rad

#ith #ave"ength' *ts range can be "arger than ,"anet'

Wave"ength O A

Fre


18/27

Radio Waves

Radio Freian Wave or Hert>


19/27

Fre' O 1 cyc"eEsecond /

1 H>' O 1000 cyc"eEsecond

1 H>' O 1(000(000 cyc"eEsecond1 4H>' O 1(000(000(000Esecond

;Ho# !any cyc"es ,er second does 10 H>' trav


20/27

1 cycle

Frequency


21/27

)+a!,"es of )"ectro!agnetic Rados!ic Rayshysics( Astrono!y fro! 101-4H>

4a!!a Rays ancer Treat!ent1010Q 1014HRays edica" rays 10DQ 109 4H>'

J"travio"et %teri"i>ation 106Q 10D 4H>'

Cisib"e Radiation H$!an Cisibi"ity 105Q 106 4

icro#aves Radar( %ate""ite1 Q 00 4H>'

Radio Waves JHF -0 Q D06 H

Radio Waves CHF( F - Q 216 H>'

Radio Waves %hort Wave 26 H>

Radio Waves A55 Q 1(605 H>'


22/27


23/27


24/27

Ty,es of Radio Fre' )&F o!!$nication #ith s$b!a

0 Q 00 H> %&F o!!$nication #ith s$b

00 H>' Q H>'J&F o!!$nication $nder th

and dee, $ndergro$n

Q 0 H>' C&F Cery "ong distant co!!$for !i"itary

0 Q 00 H>'&F Air navigation


25/27

Ty,es of Radio Fre' F A radio( A!ate$r ra

station Q 0 H>' HF %hort #ave( Aviation ai

gro$nd co!!$nications( aseatoshore services( etc'

0 Q 00 H>' CHF F radio( CHF TC

00 Q 000 H>' JHF JHF TC( Wa"kieTa"ki,hones

Q 0 4H>' %HF %ate""ites( icro#aves( ab"e TC

0 Q 00 4H>' )HF o"ice %,eed Radar( We


26/27

Advantage of RadioAccessib"e

ortab"e&ong distant signa"

Recogni>ab"e

ANordab"e

irect e+,eriences

*!agination

no#"edge


27/27

Advantage of Te"evisionCisib"e

Attention

erceivab"e and Jnderstandab"e

ers$asive

Reachab"e

ANordab"e

irect )+,erience

*nstant ,rob"e! so"ving

Documents

week 4 Asian and Thai History of BR and Radio Waves.pptx