
deseeya gathagatha samvidaanam

american radio rile leag sponsor cheiyunna amachwar radio oopparettarmaarude oru samghaditha shringalayaanu naashanal traaphik sisttam (enn. tii. ezz).ezz. oppam canada.
saadhaarana samayangalil, eee sandeshangal pathiv aashamsakalaanu ("janmadinaashamsakal aanti merii") koodaathe sisttam nannayi ennamayamaakkukayum oopparettarmaarkku pariseelanam nalkukayum cheiyunnu, angane aavashyamullappol ellaam pravartthikkunnu. oru adiyantharaavasthayo duranthamo undaakumbol emarjansi ashayavinimayangal nalkunnathinu amachwar radio emarjansi sevanavumaayi chernnu pravartthikkunnu. duranthabaadhitha pradeshathekkum purathekkumulla "aarogya-kshema" anweshanangalum ariyippukalum aanu duranthavumaayi bandhapetta ettavum saadhaaranamaaya sandeshangal.
duranthasamayathu, uyarnna alavilulla valakalkkayi adhika meating samayangal srishtikkukayo allengil rund pooyintukalkkidayil oru prathyeka "trunk line" sajjeekarikkukayo cheythukondu sisttam vipuleekarikkunnath eluppamaanu.
charithram.
american radio rile leaginte sthaapanathil ninnaan aupachaarika rile vazhi (amachwar radio vazhi) kadannupokunna gathagatham uthbhavikkunnath. innu nilanilkkunna enn. tii. ezz.-nte rooparekha aadyamaayi roopappeduthiyathu jorjju hart, dablyu1enn. jeey. emm. (maranam 2013 march 24) aanu, "puthiya deseeya traaphik plan aarr. aarr. ell maps nyoo traaphik oorganaiseshan phoor ool amachwars" ennathil 1949 septambar lakkathinte bhaagamaayi "kyu. ezz. tii". amachwar radio oopparettarmaarkkidayil kadannupokunna gathagatham puthiyathaayirunnillenkum, haarttinte samvidaanam yuu. asiludaneelam gathagatha sheshiyude kavarej oru ekeekritha reethiyil vipuleekarichu.ezz. canada, enn. tii. ezz-samghaditha gathagatham kaikaaryam cheiyunnathinaayi samarppichirikkunna aupachaarika vibhaagavum eriya valakalum srishtikkunnu.
samghadanaa ghadana.
bhoomishaasthraparamaaya pradeshangal upayogichaanu enn. tii. ezz nirvachikkappedunnathu. yuu.ezz. ekadesha samaya mekhalakalaayi "mekhalakalaayi" thirichirikkunnu. pradeshangale "pradeshangal" ennum pradeshangale oru samsthaanavumaayi poruthappedunna "vibhagangal" ennum thirichirikkunnu. eee upavibhagangalil oronninum gathagatham shekharikkunnathinum vitharanam cheiyunnathinumulla valakalundu. oru nettu ennathu oru divasathe samayavum uchithamaaya amachwar oopparettarmaarude groupinu avarude vazhiyil sandeshangal ayaykkaan kazhiyunna oru radio aavruthiyumaanu. rrl radiogram traaphik saadhaaranayaayi "local" nettukalil aarambikkukayum avasaanikkukayum cheiyunnu, palappozhum aduthulla repeaterukaliloode. praadeshika valakalil saadhaaranayaayi vhf (2 meter baand) allengil uhf (70 centimeter baand) ennivayil nagaramo kaundi-wide kavarejo ulppedunnu, traaphik kadannupokunnathinu rrl orotta modine amgeekarikkunnillenkum, sandeshangal saadhaaranayaayi eee thalatthil shabdathiloodeyaanu rile cheiyunnathu.
sekshan" nettukalil ninnulla prathinidhikal "praadeshika" nettukalil ninnu shekharicha traafikkine uchithamaaya "reejian" nettilekku rile cheiyukayo kooduthal delivericaayi aduthulla vibhaagathilekku rile cheiyukayo cheiyunnu. sekshan, reejian prathinidhikalkkidayil sandeshangal kaimarukayum avaa sisttathile ettavum uyarnna thalamaaya "eriya" nettukalilekku kaimarukayum cheiyunnu. eee mukalile thalangalile valakal saadhaaranayaayi avayude dhoora sheshikalkkaayi echf baand modukalilaanu (udha.jii. 20 allengil 10 meter) voys, sii. dablyu, digital, paakkat modukal vazhi polum ithu kadannupokaan kazhiyum.
pradesham, pradesham, vibhaagam, praadeshika vala ennivayiloode gathagatham thaazhekku pathikkumbol, sandeshangal saadhaaranayaayi kaikaaryam cheiyunnathinulla nirddeshangalkkanusaricha oru praadeshika telephone kooll vazhiyaan vitharanam cheiyunnathu. tapal sevanam ulppedeyulla sandeshangal kaikondu allengil sandesavaahakam vazhiyum ethikkaan kazhiyum, ennirunnaalum haam radio oopparettarmaarkku avarude sevanathinu saambathika nashtapariharam labhikkillenn bhagam 97 nirddeshikkunnu. oru sandesham ethikkaan kazhiyunnillengil, kaikaaryam cheiyunnathinulla nirddeshangal oru sevana sandesham ayaykkunna steshanilekku thirike konduvaranamennu nirddeshichekkaam.
gathagathakkurukku.
eee prakriya oru udaaharanathiloode ettavum nannayi vishadeekarikkappedunnu. visconsinile aarenkilum kaaliforniyayile aanti meriykku janmadina ashamsakal ayaykkaan aagrahikkunnuvennu parayaam. avar avarude praadeshika haam suhruthine vilichu sandesham nalkunnu.
orupakshe ithu valare sankeernamaayi thonniyekkaam, pakshe athu yadhaarthathil anganeyalla. oro "nettu" umm ore nadapadikramavum operating teknikkukalum upayogikkunnu, athinaal thudakkakkaraaya oopparettarmaarkku anubhavam labhikkumbol avarkk oro vibhaagathilum oro pradeshathekkum "birudam" nedaan kazhiyum. oro sandeshavum ore formaattilaanu sthaapikkunnathu. ooppareshan achadakkaparamaanenkilum anaavashyamaayi sankeernamalla.

