
samudra mobail amachwar radio

mikka raajyangaludeyum amachwar radio licensukal licensulla oopparettarmaare kadalil aayirikkumbol radio transmission upakaranangal sthaapikkaanum upayogikkaanum anuvadikkunnu. atharam pravartthanatthe maaridaim mobail amachwar radio ennu vilikkunnu. mikka kesukalilum kadalil prakshepanam cheyyumbol "/emm" enna suffix cherthu oopparettarude kooll saine vipuleekarikkendathundu.
licenses.
yukeyile "poornna" amachwar radio licenses nibandhanakal, vyavasthakal, parimithikal ennivayumaayi bandhappett inipparayunna kurippukal thayyaaraakkiyittund, athinaal mattu amachwar licensukalil ninnu alpam vyathyaasappedaam.
kadalile eathu kappalilum sthithi cheiyunna oru traansmittar pravarthippikkunnathaayanna maaridaim mobail ooppareshane nirvachichirikkunnathu. ithinartham uyarnna jalachihnathinu purathu ozhukunna eathoru manushyanirmithiyum ennaanu. ulnaadan jalapaathakalile kappalukalil pravartthikkunnathu "mobail" pravarthikkunnathaayi nirvachikkappedunnu, athinaal samudra mobail pravarthanatthinu/emm allah, kolsainilekku/emm cherkkendathundu.
amachwar radio upakaranangal kappalinte yajamanante rekhaamoolamulla anumathiyode maathrame sthaapikkaavoo enna vyavasthayundu. swantham boatil transsiver sthaapikkaan uddeshikkunnavare ithu baadikkilla, marichu oru ferriyil ninno mattu passenture kappalil ninno transmission nadatthaan uddeshikkunna eathoraalkkum ithu prasakthamaanu. atharam sandarbhangalil, amachwar oopparettaril ninnu radio nishabdatha aavasyappedaan kappalinte yajamananu avakaashamund. kolukalude oru logue sookshikkenda aavasyamilla, pakshe freekwansikal, samayangal, oopparettarmaar, avarude colsignukal ennivayekkurichulla vivarangalude rekhaamoolamulla record moolyavathaayirikkum.
steshan athinte sthaanam kaimaaranamennath oru aavasyamalla, pakshe theerchayaayum ithu uchithavum oonn-board gps lokkeshanil cheyyaan eluppavumaanu. yuke amachwarmaarkku praadeshika dvitheeya lokkettarukalude oru samvidaanamundu, athu avar yuke praadeshika jalathinullil upayogikkanam (udha.jii. ail oof maan ennathinu dii, scotland muthalaayavaykku emm enniva cherkkunnu. avarude colsin randaam sthaanathaanu). anthaaraashtra jalamekhalayil ithu aavasyamilla. mattu raajyangalude praadeshika jalathil, sep niyamangal baadhakamaakumbol iva sankeernamaayekkaam. aathidheya raajyathinte deseeya lokkettarine mattoru slash upayogichu verthirichu saadhaarana colsignil munkootty vekkuka ennathaanu saadhaarana nadapadikramam. athinaal, bii enna prefix upayogichu thiricharinja oru raajyathinte praadeshika veliyetta jalathinullil oru kappalil ninnu pravartthikkunna amachwar steshan eiii0aaa, prakshepanam cheyyumbol bii/eiii0aaa/emm ennu svayam thirichariyum.
anthaaraashtra jalamekhalayil, amachwar licensikal moonnu ittoo pradeshangalil oronninum anthaaraashtra thalatthil anuvadicha freekwansi baandukal maathrame upayogikkaavoo. eathoru raajyathinteyum praadeshika jalathil, avar aathidheya raajyathin baadhakamaaya aavruthi vihitavum bandplance paalikkanam.
samudra mobail valakal.
deerghakaalavum noothanavumaaya niravadhi radio valakal kadalyaathra oopparettarmaarkkaayi theerathe amachwar sannadhapravarthakar pathivayi pravarthippikkunnu.
saankethika parigananakal.
amachwar radio traansmittarukalum reseaverukalum instaal cheiyumbozhum upayogikkumbozhum chila prathyeka parigananakalund. vaidyuthi vitharanam, rf earthing, aantina design, mattu electronic upakaranangalumayi emc (vaidyuthakaanthika anuyojyatha) enniva ithil ulppedunnu.
aantina roopakalppanayum instaaleshanum.
emf, echf upayogathinaayi, ettavum saadhaaranamaaya aantina design maasttinte pinbhaagathekku rund rf insulettarukal cherkkukayum transsiveril ninnu sintar cheytha brons earthing plate upayogichu nalkukayum cheyyuka ennathaanu, ithu purambhaagathinu purathu boult cheythirikkunnu, waterline thazheyaayi, oru mannayi. lohamullah bottukalil earthing plate vitharanam cheyyaanum poornnamaaya purambhaagam nilamaayi upayogikkaanum kazhiyum. eee saahacharyathil, eathenkilum peyint paaliyude kanam arfil poornnamaayum valare kuravaanu. eratta baakkstekalulla oru yaattil, insulettarukal randilum sthaapikkukayum avaa mastheadil ninnu nalkukayum cheythaal, aantinaye nilathu nalkendathinte aavasyakatha ozhivaakkunna "inverted vee" aayi avaa upayogikkaam. upayogathilulla echf freakwensick anurananm nedunnathinu rund formaattukalilum oru attu (aantina tuning yoonit) upayogikkendathundu, kaaranam aantinayude bhauthika neelam thiranjedukkunna freekwansiyil mikkavarum thettayirikkum. eratta maastucheytha chila paaykkappalukalkku maastukalkkidayil oru "tea" aantinayo allengil oru vipareeta "ell" sthaapikkaan idamundu. eee aantina konfigareshanukal vyapara kappalukalil kooduthalaayi kaanapedunnu.
vhf, uhf pravarthanangalkkaayi, 1-2 meter (3-6 adii) neelamulla oru thoonil oru cheria yagi aantina gadippichu flag halliard upayogichu ithu masthedilekku kondupookuka ennathaanu oru oopshan. halliard dhruvathinte madhyathilum thazheyumaayi shariyaayi kettiyittundengil, maasthedile kramarahithamaayathin mukalilulla aantina project shudhavaayuvilekku maattunnath eluppamaanu. prashnam athu karakkunnathil aanu-saadhaaranayaayi athinte beam disha maattaan athu thaazhthukayum veendum uyarthukayum venam. masthead fittingukaludeyum laittukaludeyum surakshaykkaayi eee yaagikal bharam kuranjathum pradhaanamaayum nirmmichathum, udaaharanathinu, aantharika vayar kandakdarukale pinthunaykkunna plaastik tubeukal aanenkil nallathaanu. bottinte pravartthanatthil edapedunnathu ozhivakkaan thuramukhathilo nankooratthilo aayirikkumbol eee reethiyil pravartthikkunnathu mikachathaanu. urundathum pitching kaaranam signal aavarthichu nashtappedunnathu kadalile upayogapradamaaya aashayavinimayathin aprapyamaakkum.
2 meter baandile efm ooppareshanaayi, maraine vhf ooppareshanaayi saadhaaranayaayi instaal cheiyunna masthead vertical vipp nalla oomni-directional, lambamaya dhruveekritha signalukal nalkum. ekadesham 145 MHz pravartthanatthinte aavruthi aantinayude 156 MHz design freekwansiyumaayi valare aduthaanu, mikka amachwar traansivarukalkkum oru attu aavasyamilla, koodaathe mosham (uyarnna) ezz. dablyu. aarr. moolam anaavashyamaayi baadikkilla.
mannu.
oru single end echf aantinaykku, oru nalla electrical erthu kanakshan athyaavasyamaanu. oru botilo kappalilo eathenkilum radio traansmittar instaaleshan surakshayudeyum emc parigananakaludeyum kazhchappadil ithu aavasyamaanu. mukalil soochippichathupole, loha-huld paathrangalkk swaabhaavika nettamundu, prathyekichu echfilum kuranja aavruthikalilum, vellavumayi sanbarkkam pularthunnathaayi kanakkakkaam, kaaranam vellathinethiraaya peyint paaliyude insulating gunangal rf vaidyuthadhaarakalkku valare kurachu vaidyutha impedence nalkunna oru kappaasittans aanu. fiberglass, thadi hulls, echf transmission ennivaykkaayi, rf erthinginaayi hallinte purathu oru sintar cheytha venkala plate gadippikkuka ennathaanu saadhaarana pariharam. sintar cheytha venkala plettinte nirmmaanam vellathinu sushirangalullathinal plate onno rando inch kattiyullathaanengilum, vellavumayi vaidyutha sanbarkkam pulartthunna lohathinte yadhaartha uparithala vistheernnam athinekkaal pala madangu kooduthalaanu.
kadaljalavumaayi oru nalla kanakshan sthaapichukazhinjaal, transsiveril ninnum aattuvil ninnum grounding systethilekku oru nalla rf kanakshan undaakkendath aavasyamaanu. nalla kattiyulla oru vayar maathrame aavashyamulloo ennu thonnumenkilum, valia rf vaidyuthadhaarakalkku chembu grounding tape upayogikkaan saadhaaranayaayi shupaarsha cheiyunnu. kattiyulla vayarukalkku ulppedunna vaidyuthadhaarakale pinthunaykkaan kazhiyaathathinaallalla, marichu charmmatthinte swaadheenam kaaranam vazhiyil svayam veendum kaimarathe vishalamaaya uparithalamulla onninodoppam rf vaidyuthadhaarakal ozhukaan kooduthal saadhyathayund. single end aantina sisttathinte attu muthal earthing plate allengil hull erthu pooyint vareyulla pradhana paatha kazhiyunnathra "hraswavum" "nereyumayirikkanam. puramthodil vividha gadakangal evide sthaapikkanamennu theerumaanikkumbol ithu thudakkam muthal pariganikkendathaanu. transsiver, attu, aantina allengil athinte pheed ennivayude nashtangalekkurichum kaaryakshamathayekkurichum instaalarinu kooduthalonnum cheyyaan kazhiyilla, ennaal earthing paathakalude kaaryakshamathayilekku nadathunna adhika sramam instaaleshante mattethoru vashathekkaalum pinneedu vikiranam cheytha shakthiyudeyum emc prasnangalil ninnulla swaathanthryathinteyum kaaryatthil valare valia labhavihitam nalkum. uppuvellamulla kadal asaadhaaranamaamvidham nalla nilathunilkkunna oru vimanam undaakkunnu, athumaayi nalla bandham nedunnathinaayi nadathunna shramangalkk nalla prathiphalam labikkum.
surakshyum iii. emm. sii. yum.
oru aadhunika sailing boat allengil mattethenkilum aadhunika kadalyathraavimaanam munkaalangale apekshichu valare sankeernamaaya electronic anthareekshamaanu, athu oru saadhaarana veettiladhishtitha amachwar radio "shaakkinekkaalum" kooduthalaanu. electronic naavigeshan upakaranangal, onno athiladhikamo gps reseaverukal, electronic automatic steering, aabhyanthara radio, orupakshe television reseaverukal, radar, vhf traansmittarukal, reseaverukal ennivayum kappalil undayirikkaam. ithinu navtex reseiver, ais sisttam thudangiya vividha jii. emm. dii. ezz. ezz upakaranangalum undayirikkaam. eee enangalil palathum computerised aanu, avayil palathum daatta, rf, power kanakshanukal enniva upayogichu network cheythirikkunnu. ithellaam valare othukkamullathum trimaanavumaaya oru sthalathaanu, aaa idam radio oopparettar mathramalla, mattu niravadhi kroo allengil kudumbamgangalum pankidunnu. surakshyum iii. emm. sii. prashnangalum orikkalum ithra pradhaanamaayirunnilla.
manassil sookshikkenda oru pradhana vastutha, aantina leed, echf attuvil prasakthamaaya terminalil ninnu purathupokunna pooyintil ninnu "oru traansmitting aantinayaanu. eee leddle ninnulla rf vikiranam thadayaan onnum cheyyaano cheyyaano kazhiyilla. ithu oru specialist, hye-volteju insulated, single coor vayar aayirikkanam, athu mattethenkilum vayaringil ninnu valare akale, eathenkilum contecting farreday kejinu purathu, saadhyamaaya ettavum hraswavum nerayathumaaya vazhiyil athu bandhippikkunna sthalathekku karsanamaayi gadippikkanam.
mukalil charcha cheythathupole, traansmitting upakaranangal sthaapikkunnathil nalla mannu athyaavasyamaanu, koodaathe mattu upakaranagalkk kedupaadukal varuthaathe, allengil transmission samayat mattu upakaranangalile edapedal durbalappedutthaathe traansmit cheyyumbol mattu electronic upakaranangal upayogikkaanulla kazhivinte kaaryatthilum nalla rf maanejment labhavihitam nalkum. radio oopparettar oru shedule cheytha kooll cheyyumbol electronic steering vichedikkaanum switch oof cheyyaanum allengil naavigeshan upakaranangal illaathe cheyyaanum kazhiyum, ennaal ithu aavashyamillengil vimaanathilulla mattullavar kooduthal nandiyullavaraayirikkum, koodaathe aalukal theerathu ninnum mattu bottukalil ninnum vaarthakal kelkkaan transsiverinu chuttum othukoodumbol vimaanathilulla jeevitam saadhaaranapole thudaraam, athupole kaalavastha allengil mattu pradhana ruting vivarangal.

