
australiyai aim radio stations kii soochi

yeh australia mein ateet aur vartamaan mein prasaarit (madhyam tarang) radio transmitter stations kii ack adhuri soochi haye.
itihas.
australia mein prasaran kaa mukhya lekh itihas bhee dekhein
shaukiya varshon.
1920 key dashak mein madhyam tarang baind parr prasaran mein shaukinon kaa varchasva thaa, joe ack pariksha key madhyam seey arhata praapt karane aur morse code sanchaar mein praveenta pradarshit karane key baad (halanki baind telephony taka seemit thaa), ack coll saain key saath jaari kiya gayaa thaa jisamen ack sankhya hoti thee jisake liye raajya koo darshaata thaa kii licenses jaari kiya gayaa thaa (2 = aine. aiss. doubleu, 3 = wick; 4 = kyu. ell. dee; 5 = saa aur aine. tii; 6 = vaa; 7 = taas) aur unaki apani pasand kaa dou-akshar pratyay. postmaster general key vibhaag koo ack licenses shulk kaa bhugtan kiya jaataa thaa, joe harr paanch saal mein navinikaran yogya hotaa thaa. 
shaukiya aam taur parr apane swayam key upkaran design aur banaate hain.
aise hii ack shaukiya tomm elliot they, jinhone 1921 mein apane malik dow. key liye station 4 semi kii sthaapana kii. mcdowall. yeh australia key pahale sarkari swaamitva vaale station 4kyuji kii sthaapana key peechhe raani bhoomi sarkaar key protsaahan kaa hissa hoga.
ack anya prasiddh agrani charles "charley" mcclurcan they, jinake station 2 semi ney lambi aur chhoti lahar parr kaee doori key record banaae, lekin jahir taur parr kabhi bhee madhyam lahar key saath prayog naheen kiya, joe iss lekh kaa vishay thaa.
radio receiver utsaahi logon kaa praant bhee they, jinake paas shrota kaa licenses honah aavashyak thaa. bahut ruchi door key sanketon key swaagat (shaukinon kii shabdawali mein "dx") key ird-gird ghoomati thee aur radio prasaar kii anishchitataon mein bahut moolyavaan anubhav shrotaon dwara praapt kiya gayaa thaa, jinamen seey kaee ney "qsl" card ekatra kiye they-sanchaaran station dwara ack pusht swaagat kii sweekriti.
karyakram samagri kii aapoorti shaukiya logon dwara kii jaati thee, aur isamen vaarta, paath, pustakon aur samachar patron seey padhana, aur live yaa record kiya gayaa sangeet (una dinon koee copyrite shulk deya naheen thaa) shamil thaa. prasaran kaa samay dinn mein kewal kuchh ghante aur saptah mein kuchh dinn hoe sakata haye.
vyaavsaayikaran.
agast 1923 mein ack americi model key baad kaanoon paarit kiye gaye, jaisa kii ernest fisk dwara anushansit kiya gayaa thaa, jisake dwara "seelband sett" receivers koo ekal aavritti praapt karane key liye banaaya gayaa thaa, joe jaari karane vaali company kii thee, jisaki aaya inn receivers kii bikri yaa kiraaye parr nirbhar karati thee, joe aaj bhugtan-tv sevaaon key samaan sthiti haye. tune kiye gaye radio-aavritti praaptakarta key shuruati dinon mein "seelband sett" kii sadgi koo ack badee suvidha key roop mein dekhaa gayaa hoga. 
halanki shaukiya nirmaata tunable (yaa "open") receiver banaane mein saksham they aur iss tarah binaa shulk key manoranjan kii ack vistrit shrinkhala praapt curr sakate they.
yeh sthiti bardasht naheen hoe sakee, aur 1924 key madhya mein "khule" sett kanuni hoe gaye, lekin ack vaarshik "prasaran shrota key licenses" key adheen, jiska shulk "aeye-class" prasarakon koo vibhajit kiya jaayega.
jaisa kii mool roop seey kaanoon banaaya gayaa thaa, "aeye-class" prasarakon key licenses una prasarakon koo jaari kiye gaye they jinhoneh
nyu south wells aur victoria mein "aeye-class" stations kii sankhya dou-dou taka seemit thee, aur pratyek anya raajyon mein seey ack taka.
"bee-class" stations parr samaan niyamon kaa paalan naheen kiya gayaa thaa. unhein shrotaon key licenses kaa koee hissa naheen milaa, lekin unhein vigyaapan key madhyam seey apane sanchaalan key liye dhana jutaane kii anumati dee gaee.
1920 key dashak key anta mein shaukiya dheere-dheere "aeye-class" yaa "bee-class" licenses rakhane vaale peshevar sangathanon dwara visthaapit hoe gaye they, jinamen seey kaee ack shaukiya sanchaalan kii nirantarta yaa vikas they. shaukiya taba uchch aavritti vaale "shaukiya" baind parr apane shauk koo aage badhaane key liye baadhya they.
rashtriya prasaran seva.
rashtramandal sarkaar dwara "ack varg" prasarakon kaa adhigrahan 1928 mein shuru huaa jaba australiyai prasaran company limitted. (1926 mein £100,000 kii poonji key saath sthaapit) ney pratyek raajya mein "aeye-class" stations key liye rashtravyapi karyakram pradaan karane key liye ack sarkari anubandh jeetaah 1929 mein 2fc sidney aur 3aar melburn, 1930 mein brisbane mein 4kyuji, adelaid 1929 mein 5cl, aur parth mein 6डब्ल्यूएफ।. 
postmaster general key vibhaag ney apane studio aur transmitters kii takniki suvidhaon key praavdhaan, rakharkhaav aur sanchaalan kii jimmedaari sambhali, jisase sarkaar koo aeye. bee. see. prasaran parr antim veeto mill gayaa, ack aisee sthiti joe 1980 key dashak taka bunny rahee.
adhikansh vaanijyik aur aeye. bee. see. prasaran samvaahak yaa tou samaamelit wireless (australia) (aeye. doubleu. aeye.) yaa maanak telephone aur cable (aiss. tii. see.) dwara nirmit aur sthaapit kiye gaye they, jisamen seey ack yaa dou scott aur koo dwara banaae gaye they., sidney seey.
australiyai prasaran company julaai 1932 mein australiyai prasaran aayog bunn gaee, jisamen station 2fc, 2bl, 2nc, 2koo, 3low, 3aar, 4kyuji, 4aarke, 5cl, 5que, 6wp aur 7jdl ney chhah rajdhani shahar stations aur chaar kshetriya stations key saath ack rashtriya pranali banaai, aur ack network banaaya, aur 2bl aur 3low ney doosara network banane kii neenv rakhee.
octuber 1937 mein sidney aur melburn mein aine. bee. bee. kii dou shaakhaon kii bhoomikaon koo ulat diyaa gayaah 2bee. ell. ney 2aff. see. seey number 1 rashtriya karyakram koo apane haath mein leey liya; 3ell. oh. seey 3aar, aur 5see. ell. seey nae commission kiye gaye 5एन।.
main stereo huun.
1950 key dashak key anta mein, stereophonic record khilaadi aam honey seey pahale, aur fm-stereo prasaran seey bahut pahale, kuchh stations (vishesh roop seey 3xy aur 3uz, lekin 2cn aur 2cy) ney stereophonic karyakramon koo prastut karane key liye bhagidari kii, pratyek channel key liye ack station, taaki shrota radio kii ack jodee sthaapit curr sakey aur stereo prabhaav kaa anubhav curr sakey. kuchh maheenon key baad prayog bund hoe gayaa.
1980 key dashak key madhya mein kuchh prachaalak, jinamen rajdhani-shahar aeye. bee. see. station shamil they, apane sancharakon parr stereo modulan (motorola see-quam maanak key liye) lagu karane key liye chune gaye. pranali ney maanak radio parr koee dhyaan dene yogya antar naheen kiya, lekin ack sangat aim stereo receiver parr bahut prabhaavi thaa. inmein seey kuchh (balki mahange) receiver beche gaye they, aur network ney binaa dhumdham key prayog koo chhod diyaa. sitambar 2020 taka kewal ack hii am station abhee bhee am stereo mein 4dablyuke (963khj) prasaarit hoe rhaa haye.
aavritti kaary.
parampara key anusaar, ack prasarak key "dial parr sthaan" koo mool roop seey tarang dairdhya (meater mein) key sandarbh mein paribhaashit kiya gayaa thaa, phir 1940 key aspas aavritti dwara teji seey paribhaashit kiya gayaa thaa, joe adhik sateek thaa, kyonki taba taka sabhi stations koo 5 khjd (yaa usa samay kii shabdawali mein prati sekand kilosaikil) key sateek gunak key liye chrystal niyantrit kiya gayaa thaa.tarang dairdhya koo aavritti mein parivartit karane key liye ack paryaapt sateek sootra haih f (khaz mein) = 300,000/λ (meater mein)
shuruati dinon mein baind koo "varg bee" operators key beach saajha kiya jaataa thaa joe ack paribhaashit tarang dairdhya aur anusuchi parr sanchaalit hotey they, aur licenses praapt shaukinon, joe chhitput roop seey prasaarit karate they, aur ack tarang dairdhya parr sanchaarit karane kii koshish karate they jahaan hastakshep kaa jokhim cumm thaa. una dinon superheterodine receiver adhikansh shrotaon key liye nishedhaatmak roop seey mahange they; adhik aam chrystal sett, punaryoji yaa tune kiye gaye radio aavritti receiver they, jinamen kharaab aasann-channel asweekriti thee.
1930 key aspas kaee stations ney apani parichaalan aavrittiyon koo badal diyaa, jahir taur parr swatantra roop seey aur isamen koee sandeh naheen haye kii achche key liye, halanki prakaashit naheen kiya gayaa, kaaran.
post master general dwara prasarakon parr lagaae gaye aavritti parivartanon kaa ack pramukh karyakram, ack aur saat "bee class" stations key licenses key baad 1 sitambar 1935 koo sanchaalan mein aaya. kuchh koo sabhi aavrittiyon koo 10 key. see./sekand (10 key. aich.) key gunak mein maankeekrit karna thaa; kuchh koo takniki samasyaon koo hull karane key liye jaise kii paas key sancharakon seey hastakshep (kuchh mamalon mein newzealand seey), aur kuchh koo dial key cumm aavritti (lambi tarang dairdhya) key anta mein "ack varg" stations koo ekatrit karane key prayaas mein, halanki iss neeti key kaee apavaad baney rahey.
juuna 1948 mein ack aur ferbadal huaa, jaba 24 stations koo aavritti aavantan mein badalaav key adheen kiya gayaa thaa. vibhinn nae newzealand transmitters key bijli utpaadan mein vriddhi kaa kaaran diyaa gayaa thaa.
1975 kii geneva aavritti yojana key parinamswarup, 23 navambar 1978 koo sabhi prasaran station 9 khjd "rekhapunj" key aadhar parr naee aavrittiyon mein chaley gaye, jisase bheed vaale aim baind koo kuchh duss pratishat taka mukt curr diyaa gayaa. agale dashakon mein kaee prasarak cumm mahange sancharan upkaran aur spasht dhwani key liye lambi doori key swaagat kaa vyaapaar karate hue fm baind mein chaley gaye. adhikansh aeye. bee. see. aim. stations ney pratispardhi media (aff. aim., daib +, podcast) kii badhati vividhata key bavjood kaam karna jaari rakhaa...) saarvbhaumik coverage key hiton mein, lekin kaee vaanijyik station bund hoe gaye yaa fm mein badal gaye, aur kuchh transmitters koo aalaa prasarakon (print viklangon key liye radio, jaatiya radio, vishvavidyalaya radio, racing, samachar radio) koo saunp diyaa gayaa. baad mein rashtriya aur vaanijyik donon tarah key chhote aeye. aim. repeater stations kaa praavdhaan kiya gayaa, joe ack alag aavritti parr they, lekin praathamik transmitter key samaan coll saain vaale they.
iss soochi mein kaee australiyai samudayik radio prasarakon koo shamil naheen kiya gayaa haye, sivaay isake kii way rashtriya yaa vaanijyik prasarakon seey sambandhit hain, aur kuchh apvaadon key saath studio, karyakram samagri, vyaktitva, network, branding, naare aur lakshit darshakon koo nazarandaj karate hain.
dwiteeya vishva yuddh key dauran videshi prasarak.
varshon mein australia key uttar mein thikaanon mein australiyai aur americi balon dwara badee sankhya mein aeye. aim. radio station sthaapit kiye gaye they, jinamen seey lagbhag 20 australiyai senaa kii suvidhaon seva dwara sanchaalit they. yeh una videshi prasarakon kii ack adhuri soochi haye jinake coll saain "9" seey shuru hue they. 9aeye. tii. mein kurey, japan yuddh key baad key kabje kii avadhi key dauran sanchaalit huaa.

