Nzira yekugadzira Antenna 2 Meter Vertical?

kugadzira antenna yemamita maviri yakatwasuka

  

Ini ndaida kushandura yangu yekare 2 Meter 1/4 wave vertical antenna ye146 mHz. Amateur radio bhendi. Iyo yekare yakanga yarasa ma radials uye ini handina kukwanisa kurova akawanda eredhiyo eredhiyo akatenderedza. Saka kuve mumwe anoda kugadzira antennas, pazasi ndizvo zvandakagadzira. Mufananidzo uri pazasi unoronga zvigadzirwa zvauchazoda kugadzira 2 mita 1/4 wave vertical antenna ye146 mHz. Amateur radio bhendi.

    

Vaka antenna yemamita maviri yakatwasuka

  

Pazasi pane chekutarisa chezvikamu zvinodiwa kuvaka 2 mita yakatwasuka antenna:

  

  • 3/4 ″ PVC pombi-- Kureba kuenderana
  • 3/4 ″ adapta 8xMPT
  • 3/4 ″ THD Dome Cap
  • SO-239 chiteshi
  • 6ft. 14 GA Romex tambo
  • qty. 4 4-40 Stainless screws
  • qty 8 4-40 nzungu dzisina tsvina
  • 50 ohm coax Kureba kuenderana

  

Iyo isingadhure uye zvakare inopihwa nyore nzira yekuwana 14 ga. waya yemhangura kuenda kuchitoro chemidziyo uye kunotora tambo yeRomex. Chinhu chekutanga chekuita ndechokubvisa tambo yemhangura kunze kweRomex cable sheath, mushure mezvo iwe uchaona tambo isina chinhu, tambo yakasviba uye chena. wobva wabvisa chivharo kubva patambo nhema nechena zvakare. Kana wapera, unofanira kuva netambo nhatu dzemhangura dzisina chinhu 3 ft. muhukuru. 6 GA. tambo inogona kunge yanga iri nani zvakanyanya, sezvo yakakura pamwe nekuoma, zvisinei ini ndakashandisa zvandakabata ruoko. Cheka zvidimbu zvishanu zvetambo, imwe neimwe 12 in.

  

Ndakabva ndagadzirisa tambo imwe neimwe sezvandaigona, asi ivo vakanga vasati vakwana. Saka ndakaisa bango pasi pakarebesa kupfuura tambo, ndikaisa waya imwe pabhodhi, uye ndikaisawo rimwe bhodhi mukuwedzera kune waya. Ipapo ndaitsamira pabhodhi pamwe nekupeta tambo pakati pemapuranga. Izvi zvakavaita kuti vave vakanaka pasina zviya zvinonetsa zvinomonyorora mutambo.

  

Gadzira DIY 2 mita 1/4 wave yakatwasuka antenna

   

Tevere, ndakatora iyo 3/4 ″ THD Dome Cap ndokuboora 5/8 ″ gomba nayo. Ndakatanga ne5/32 ″ chibooreso semutyairi wendege, ndokupedza ne5/8 ″ speedbor spade bit. Kana wapedza, inoda kutaridzika semufananidzo weruboshwe.

  

Ipapo ndakatora zvinhu zvina zvetambo yemhangura, iyo inozo shandiswa paradials yeantenna, uye ndokukotamisa hoko diki kune imwe mugumo, ndokuzofambisa imwe 4-4 screw muhoko yetambo mushure meiyo kinky pasi tambo. kutenderedza screw sezvaonekwa pamufananidzo uyu.

  

Tora waya/ screw assembly yauchangobva kugadzira, woisa sikururu mukona yeSO-239 connector. Ita izvi imwe neimwe yemakona eSO-239 connector. Kana yapera, inofanirwa kutaridzika semufananidzo wakanyorwa pazasi. Ita shuwa kuti tambo dziri kubuda perpendicular kunzvimbo yeSO-239 port, sepamufananidzo pazasi.

  

ZVIITA IWE 2 metres yakatwasuka antenna

  

Kutevera iwe uchada kutengesa iyo yakatwasuka chinhu che 2 metres antenna Chishandiso chakakosha cheizvi ndicho chinonzi Ruoko rwechitatu, kana ruoko runobatsira. Ndinofunga unogona kuzviwana paAmazon. Kana usina, ndinokurudzira kuti utore. Iwo anoshanda chaizvo kana iwe uri kuita mapoinzi akadai sesolder.

  

ZVIITA IWE 2 metres vertival antenna.

  

Mushure mekunge wapedza kutengesa, adapta yako yemamita maviri antenna inoda kufanana neiyi:

  

  ZVIITA IWE 2 metres yakatwasuka antenna

   

Mushure meizvozvo tsveta coax kuburikidza nerumwe rutivi rwepombi uye zvakare neadapter. Ini ndanga ndichishandisa RG-8U coax pane yangu 2 metres antenna, ndinokurudzira kuti uite zvimwe chete. Mushure meizvozvo tora iyo 3/4 ″ THD Dome Cap pamwe nekutsvedza pamagumo eSO-239 adapta, uye zvakare batanidza iyo coax kune antenna sepamufananidzo wakanyorwa pazasi:

  

Gadzira antenna yakatwasuka yemamita maviri

  

Sezvauri kuona, sezvo ini ndakashandisa screw mhando PVC adapta, zviri nyore kwazvo kuidzosera iyo yakaparadzana kuti ishumire antenna kana zvichidikanwa.

  

Mushure mekunge 2 metres yakatwasuka antenna yaiswa pamwechete, chinjisa ma radials pasi 45 mazinga. Parizvino inguva yekuicheka kuita 2 metres amateur radio bhendi. Kuti ndiite izvi, ndaishandisa wandaishanda naye kubata antenna panzvimbo. Kwandiri, ndaida kuridza antenna yepakati pemamita maviri bhendi. Kazhinji pane inokwana kutapurirana simba kuti antenna ivhare inenge yese 2 metres bhendi.

  

DIY a 2 metres yakatwasuka antenna

  

Kuti uverenge saizi yeiyo antenna yakatwasuka chikamu, shandisa inonamatira kune formula:

Saizi (mu.) = 2808/ F.

Iko F = 146 mHz.

  

Kana iwe uchida kuti antenna yako yemamita maviri iite mutsindo wakasiyana-siyana, mushure mezvo shandisa fomula iri pamusoro saizvozvo. Kwandiri kureba kwandinoda i2 ″ saka ndinoita kuti chikamu chakamira chirebe. Izvi zvinondigonesa kuigadzirisa nebhiriji reSWR.

  

Kune ma radials, unoshuvira kuti akareba 5% pane vertical component, saka kwandiri, angave 20.25 in. Saka ndakacheka yangu kusvika 20.5 in. ndokuzotora peya yepliers ndikaisa kachirauro pakupera imwe neimwe radial. Izvi zvinopa imwe dziviriro yeziso kana munhu akarohwa muziso. (zvishoma zvakadaro! saka chenjera!!).

  

Kana antenna yako yemamita maviri yakamira, inoda kuvharwa nesilicone sealant. Usazeze pakuipfeka. Mumamiriro ezvinhu aya, zvakawanda zviri nani! Ita shuwa kuti inovhara chikamu chakatwasuka pajoini rekutengesa uye nepamusoro peiyo SO-2 adapta, pamwe chete nemasruuru anobatirira maradials. Saizvozvo ita shuwa kuti pasi peiyo SO-239 chiteshi uye zvakare PVC pombi inogutsa yakavharwa zvachose zvakare.

  

Ndiri kufadzwa kwazvo nemhedzisiro yemhando yangu nyowani 2 metres yakatwasuka antenna. Parizvino ndinogona kurova akati wandei edunhu 2 metres amateur anodzokorora munzvimbo.

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