Yadda Ake Gina Eriya Mita 2 Don Wayar Keke?

Wataƙila babbar matsalar shan keken HT ɗinku shine tunanin eriya mai dacewa akan keken ku. Wannan shi ne saboda babur ba ya ba da yawa na jirgin sama. Na samo wani matsayi a cikin Tukwici na ARRL da kuma Kinks wanda Charlie Lofgren ya tsara, W6JJZ, mai taken "Bike 'n Walk Unique". A ƙasa akwai shirye-shiryen eriya da ya bayyana a cikin post.

Wannan eriya ita ce 1/2 madaidaiciya madaidaiciya dipole wanda aka gina na RG-58/U coax. Abin sha'awa na wannan zane shi ne cewa yana da arha, mai sauƙi, kuma yana da sauƙin yi tare da kayan aiki mai sauƙi. Radiator yana buƙatar zama inci 39 don aiki na mita 2. Abin da nake amfani da shi don radiyo, shine cibiyar gudanarwa na RG-58/U coax. Na fara da guntun coax mai ƙafa 12. Bayan haka akwai isasshen abin da za a iya gudu har zuwa rediyo. Ina ajiye rediyo na a cikin jakar hannuna.

Ma'auni na farko na tsawon lokacin da radiator zai kasance, bayan haka a datse kube na waje, da kuma gadi. Na gaba, a kan sauran ƙarshen coax, na cire wani abu na coax wanda ya fi dacewa ya zama guntun stub. Madaidaicin girman ya dogara da saurin saurin coax da aka yi amfani da shi (duba tebur a ƙasa). A cikin kowane yanayi, koyaushe ina yin tsayin daka zuwa gefe mai tsayi. Ta wannan hanyar za a iya gyara eriya zuwa mitar da ake so tare da gadar SWR.

Takaita jagoran kayan aiki zuwa ga mai gadin coax a batu C

Ma'auni don sashin da ya dace yana rataye a kan yanayin saurin coax da aka yi amfani da shi.

Don haɗa gunkin guntun gajarta zuwa layin ciyarwa, cire ƙaramin yanki na rufewa sosai daga mai gudanarwa na tsakiya (ba zai fi 1/4 na inch ba). Solder da kuma tef na ciki madugu, bayan haka hada da sayar da garkuwa. Don ba da garantin kariyar da ta dace, raba madaidaicin yanki na alade mai tsayi ban da haɗin garkuwa, sa'annan ka sayar da garkuwar tare da kyau. A ƙarshe, rataya eriyar ku a cikin buɗaɗɗen sarari, da kuma kunna ta tare da mitar SWR. Na gano cewa daidaita tsayin guntun guntun yana da ɗayan mafi tasiri wajen daidaitawa don ƙaramin SWR.

Na sayi fom ɗin tuta na fiberglass daga shagon keke na gida, na kuma naɗa eriya a kai. Hakanan zaka iya amfani da bututu masu rage zafi akan sandar fiberglass da kebul, idan an ba da su. Ina kuma son sanya sandar dowel 2 ƙafa 1/4 inch zuwa ɓangaren ƙasa na eriya. Wannan yana taimakawa daidaita shi yayin da kuke hawa, haka kuma eriya tana busa bulala baya da baya. Wani ma'ana daya da ke taimakawa shine sanya eriya ta fi tauri ita ce zamewa a kan wani takaitaccen abu na bututun lambu sannan kuma a kare shi don tabbatar da cewa duk inda kafin firam ɗin keken ku ya bugi eriya to tabbas zai bugi tudun lambun maimakon haka. A ƙarshe, Ina amfani da " igiyar bungie " a kusa da rak ɗin mai ɗaukar hoto na baya da kuma eriya don ƙarin taimako.

Ana iya gina wannan eriya cikin kusan awa ɗaya. Fatan "catch-ya" keke ta hannu wata rana!