Momwe Mungapangire Kufupikitsidwa kwa 20 mpaka 40 Meter Vertical kwa POTA

首图.png   

Pali china chake chosangalatsa pakuyambitsa POTA komwe mumalowa ndi zida zanu zonse ndikuyambitsanso paki yomwe ikuyenda ndi mphamvu ya QRP. Poganizira positi yanga yoyambirira yokhudzana ndi transceiver yanga yoyamba ya QCX-mini QRP, pano ndili ndi ma QCX-mini owonjezera omwe amandilola kuti ndigwire ntchito yanga ya POTA QRP pa 40, 30, ndi 20 metres. Izi zikutanthauza kuti ndiyenera kupanga foni yam'manja yochepetsetsa yamagulu awa. Kapangidwe ka mlongoti kowongoka kameneka kachokera pa Chiyembekezo changa choyambirira cha Reduced 40 Meter Vertical komabe ndikutha kufupikitsa koyilo yotsegula pa tap factor yoyenera kuti igwedezeke pa 30 komanso 20-metres band.

 

Nkhani imodzi yomwe ndinali nayo ndi mlongoti wowongoka wamamita 40, inali yoti ndidagwiritsa ntchito mafunde awiri a 1/4, omwe nzeru zachikhalidwe zimati muyenera kuzigwiritsa ntchito ndi tinyanga zowongoka. Pamamita 40, iwo ndi ozungulira 33 mapazi kutalika. Izi zimapangitsa kuti zikhale zovuta kumasula ma radial mukakhala ndi POTA yamphamvu kwambiri.

 

Pofufuza pa intaneti ndidavumbulutsa kuti ndizotheka kugwiritsa ntchito ma radial omwe ndiatali wa 1/8 - Eya zikuwoneka ngati zamisala kwa inenso, koma ngati zili zowona, zitatha izi zingathandize kwambiri kukhazikitsidwa kwa ma radial. 40 mita. Zinapereka mphamvu zochepa, koma ndinaganiza kuti zimayenera kuwomberedwa. Zambiri pa izi pambuyo pake.

 

Poganizira kuti pakadali pano ndinali ndi ndodo yosodzera ya 20 yofupikitsidwa ya mita 40, ndizomwe ndidagwiritsa ntchito pa mlongoti wamitundu yambiri. Poganizira kuti izi zitha kukhala zamagulu atatu, ndidafuna kuti koyilo yotsitsa ichepe mokwanira kuti ndiwonetsetse kuti nditha kupanga kusintha kwa bandi mwachangu popanda kuchepetsa yoyima. Apanso, ndidapitanso patsamba lofupikitsa la antenna calculator lomwe lidandipatsa zoyambira zanga zodzaza. Kukonza mlongoti wa magulu atatu onsewa kumawoneka kovutirapo kuposa nthawi zonse. Ndikulingalira kwanga ndikuti ndikugwiritsa ntchito ma radial awiri okha a 3/3.

 

Chithunzi pansipa ndi miyeso yanga yomaliza. Maulendo anu amafuta amatha kusiyanasiyana, komabe, izi ndi zomwe ndidamaliza nazo.

  

1.jpg   

Pamtundu wa coil wodzaza, ndidaganiza zogwiritsa ntchito In Sink Tailpiece. Malingaliro anga ndi awa, nthawi zambiri anthu amagwiritsa ntchito payipi wamba wa PVC pamtundu wa coil, womwe ndi wabwino, komabe kusefukira kwa khoma la payipi kumawoneka ngati wandiweyani mopanda ntchito. Vuto langa lalikulu apa linali loti ndichepetse nkhawa komanso nkhawa pamawaya omwe ndi gawo loyima la mlongoti. Chubu chosefukira cha commode chimakhala chocheperako komanso chopepuka komanso chimagwira ntchito bwino. Kutalika kwa chubu changa chakusefukira ndi mainchesi 1.5. Ndikuganiza kuti ndi kukula kwapanja kwabwinobwino. Ndinadula Sink Tailpiece 3 1/2 mainchesi, koma 2 1/2 ″ akanagwira ntchito bwino.

  

Ndidagwiritsa ntchito chowerengera chochepetsetsa cha mlongoti wowongoka kutengera komwe koyiloyo imapezeka m'mapangidwe omwe ali pamwambapa ndikupanganso kuchuluka kwa matembenuzidwe a 33 ndi faucet mokhota 13 kuchokera pamwamba pa koyiloyo. Ngati muli ndi chingwe chosiyana, ikani icho mu koyilo yofupikitsa yowerengera mlongoti m'malo mwake.

  

Poyambirira ndidapanga koyilo yojambulira ndi matembenuzidwe osiyanasiyana. Pomaliza, ndinafunika kuphunzitsidwa. Pachithunzi chomwe chili patsamba lotsatirali mutha kuwona pamwamba pa kutembenuka komaliza ndikuphatikiza chingwe chochulukirapo. Phunzilo lophunzirira mphezerani chingwe chowonjezera pa koyilo kuposa momwe mungadziwire.

  

Pansipa pali chithunzi cha koyilo yodzaza yopangidwa kuchokera ku chubu chosefukira:

   

2.jpg        

Kuti ndipange koyilo yodzaza, ndidaboola mipata itatu ya zomangira 6-32 zosapanga dzimbiri 3/4 ya inchi yayitali. Ndinagwiritsa ntchito zolumikizira za crimp kulumikiza chingwe cha enamel ndi zomangira. Mukamagwiritsa ntchito chingwe cha enamel, onetsetsani kuti mukuchotsa kutsekereza kwa waya. Pambuyo pake, gwiritsani ntchito ma adapter amtundu wa mphete kuti mugwirizane ndi screw. Mwanjira iyi, ndimakonda kugulitsa ma adapter a kink ku chingwe. Izi zimatsimikizira ulalo wabwino komanso zimateteza ku dzimbiri zikagwiritsidwa ntchito panja. Kuphatikiza apo, ndimagwiritsa ntchito mtedza awiri pa screw iliyonse yomwe imawapewa kuti asamasuke pakagwiritsidwe ntchito. Chidziwitso cha mabulogu oyera ofukula pamakoyilo. Ndinagwiritsa ntchito guluu wosungunula otentha kuti ma coils asamayende mozungulira nditatha kukonza. Sizokwanira, komabe ndi zinchito.

  

Kuti ndisinthe magulu, ndimangosamutsa kanema wa alligator. Monga zawululidwa, palibe coil yomwe imafupikitsidwa. Izi ndi za bandi ya 40 mita. Pa bandi ya mamita 30, ingosunthani chodulira cha ng'ona pansi pa wononga pakati pa makola onse awiri. Kwa mamita 20, sunthani sikona yokhotakhota, yomwe imafupikitsa koyilo yonse.

  

Monga ndanenera poyamba, ndimagwiritsa ntchito ndodo yosodza ya mapazi 20 pothandizira mlongoti wowongoka wofupikitsidwa. Ndinkafuna kuti izidzithandizira ndekha, choncho zimafuna dongosolo la anyamata. Ndinapeza kanema wa K6ARK. Makamaka kanema wake wotchedwa SOTA/Wire Portable Telescopic Post Setup. ndiye utumiki wabwino. Ndinasintha pang'ono pang'ono, koma lingaliro ndilofanana. Chithunzi chomwe chili pansipa chikukonza zomaliza.

      

3.jpg

           

Kuti mudziwe zambiri penyani kanema wa K6ARK:

            

           

Zomatira za epoxy zomwe mwina adagwiritsa ntchito zinali JB Weld yakale. Ndi zomwe ndidagwiritsa ntchito, ndipo zimagwira ntchito bwino. Mfundo ina yomwe ndidachita mosiyanasiyana sindinagwiritse ntchito "Chithunzi 9". Mwinanso ndili ndi ndalama zogulira. Mwachindunji ndimakonda kugwiritsa ntchito mizere yabwino yakale ya taut pamzere wanga. Ndi mfundo yosavuta kwambiri kuphunzira. Nawu ulalo wapaintaneti wa kanema wa youtube momwe mungamangirire Hitch ya Taut. Lingaliro langa ndi ili, poganizira kuti ndikuzindikira momwe ndingamangire chingwe cha taut, nditha kugwiritsa ntchito chingwe chamtundu uliwonse. Chifukwa chake ngati nditaya imodzi mwamizere yanga, nditha kungotenga chinthu china cha paracord komanso ndimakhalabe mubizinesi.

   

Pano pali kuyandikira kwa mzere wa taut:

             

4.jpg           

Chinthu chimodzi chimene ndimachita ndichoti nditangomanga mzere wa taut nthawi yoyamba, sindimadziwa. Ndimangochotsa ma carabiners pamtengo ndikumaliza mizere yamunthuyo ndi taut-line hitch. Mwanjira iyi nthawi ina ndikadzagwiritsa ntchito kufupikitsa mita 40 molunjika, mizere ya anyamata ndi yokonzeka kupita. Izi ndi zomwe K6ARK imapanga ndi Figure-9s yomwe amagwiritsa ntchito.

  

Ndikakhazikitsa 40 30 20 mita yanga yofupikitsidwa yoyima, ndapeza kuti ndiyo yabwino kwambiri kuyendetsa ndodo yophera nsomba kudzera munjira ya koyilo. Izi zimachepetsa kusinthasintha komanso kupsinjika pamtengo wophera nsomba. Chinanso chomwe ndachita ndikuyika mbali imodzi ya koyilo yodzaza ngati "pamwamba". Izi ndi zotsatira zanga kuyika coil yonyamula mozondoka kangapo ndikuyikhazikitsa. 

         

5.jpg         

Pamapeto pa ndodo yophera nsomba, ndili ndi bokosi la pulasitiki lokhala ndi DZIWANI ZOKHA 1: 1 balun monga momwe talandirira pa chithunzi chomwe chili pansipa. Mawaya achikasu ndi ma radial anga awiri omwe amadumpha m'mbali mwa phukusi. Kukonzekera uku kumapangitsa kuti ikhale yachangu komanso yosavuta kumasula ma radial. Ndilinso ndi magulu a velcro omwe amachokera ku zomangira kumbali ya bokosi la pulasitiki. Izi zimazungulira tsinde la ndodo yophera nsomba. 

         

6.jpg        

Monga tanena kale, mkati mwa bokosi lapulasitiki muli balun 1: 1. Pano pali mkati mwa bokosi la pulasitiki: 

          

7.jpg        

Balun imagwiritsa ntchito RG-174 coax ndipo ili ndi matembenuzidwe 9 pa Kind 43 ferrite core yomwe ili ndi OD ya 0.825 mainchesi. 

  

Monga tafotokozera kale, zinali zovuta kunyamula ma radial 40 metres 1/4 wavelength radials pokhazikitsa nkhalango. Ndikuyang'ana ukonde, ndidazindikira kuti 1/8 wavelength radial pa mlongoti wowongoka ndizotheka. Pano pali maumboni angapo omwe ndawapeza ndi anthu anzeru kuposa ine pankhaniyi: 

  

Ma Radial System Design ndi Kuchita bwino mu HF Radials - N6LF

  

Machitidwe a antenna ofukula, kutayika, komanso kuchita bwino - N1FD

  

Chifukwa chake ndidakhulupirira kuti ndipereka 1/8 wavelength radials kujambula. M'malo mokhala ndi ma radial a 33-foot, ndikanakhala ndi ma radial 16.5-foot. Kuphatikiza apo, ndimangotumiza mwina kugwiritsa ntchito ma radial awiri. Ndikuzindikira kuti izi ndizochepa kwambiri kuposa momwe ziliri. Koma ndinkaona kuti n’zovuta kwambiri kuona ngati zimenezi zingathandizedi.

  

Vuto limodzi lalikulu ndi mlongoti wa chingwe ukakhala wonyamulika, ndi malo osungira komanso momwe mungatumizire mwachangu / mosavuta. Nditayesa njira zingapo zosiyanasiyana komanso kusaka pang'ono pa intaneti, ndidapeza tsamba la W3ATB pomwe amatanthauzira kugwiritsa ntchito choko cha wopanga matabwa. Osati choko chilichonse, koma choko cha Irwin Devices Speedlite chokhala ndi gawo la 3: 1. Sindifotokoza m'munsimu, popeza akugwira ntchito yapadera kufotokoza kung'ambika ndi kusintha kwa gizmo iyi kuti igwiritsidwe ntchito ngati kusungirako waya ndi kutumiza mwamsanga kwa tinyanga.

   

Pano pali chithunzi changa cha Irwin Speedlite 3: 1 choko. Imagwira mawaya a 16.5 pa imodzi mwama radial anga bwino.

       

8.jpg          

Kwa malo osungiramo zinthu zowongoka za 40/30/20 mita yoyimirira. Ndinagwiritsa ntchito zidutswa zamatabwa zotalika mainchesi 7 ndikudulanso notch kumapeto kulikonse. Ine ndiye kuphimba chingwe kutalika. Chithunzi chomwe chili pansipa mapulogalamu omwe ndimaganiza. Ndinkada nkhawa kuti koyilo yolongedza ikanagwedezeka ndikuwonongeka ndikuyiyika mu paketi.

   

Kuphatikiza apo, onani chingwe chachikasu. Poganizira kuti ndodo yosodza yomwe ndinagwiritsa ntchito inali yotalika mamita 20, komanso 1/4 wavelength pa mamita 20 ndi mapazi 16.5, chingwe chachikasu, chomwe ndi 3 1/2 mapazi utali, chimamangiriridwa pamwamba pa nsomba. ndodo ndi chingwe chofiira zilumikizidwa kwa icho. Izi zimayika balun yanga pansi pomwe ndodo yophera nsomba yakulitsidwa.

          

9.jpg        

Chifukwa chake ndidatumiza mwina kudera la Walmart kufunafuna chinthu chomwe chinali ndi chidebe chapulasitiki chozungulira chomwe chingagwirizane - komanso ndidachipeza - mozungulira silinda ya zopukutira makanda! Kunyumba, ndinali ndi zolembera kuchokera kumagetsi omwe ndinapeza omwe ndi mtundu wa thovu lotsekeka. Ndidagwiritsa ntchito kuti kuyika mkati mwa silinda Pansipa pali chithunzi cha mawonekedwe oyimirira omwe akulongedza mu chidebe chake chosungira.

           

10.jpg      

Pano pali chithunzi china cha mlongoti mumtsuko wokonzekera kuyika chivindikirocho.

         

11.jpg          

Kukonza mlongoti kungakhale kovuta pang'ono koma kungathe kuchitika. Kukhala ndi NanoVNA antenna analyzer kumathandiza kwambiri. Mfundo yoyamba kuchita ndikuwonetsetsa kuti ma radial onse achepetsedwa mpaka 16 1/2 mapazi kutalika. Zotsatirazi zimayamba ndi mamita 20 mwa kufupikitsa koyilo yodzaza. Nthawi zambiri kotala-wave yowongoka kwa mita 20 imakhala yozungulira 16 1/2 mapazi. Ndinayamba ndi mapazi 17 pozindikira kuti izi zinali zazitali. Ndikosavuta kufupikitsa mlongoti womwe ndi wautali kwambiri kuposa kuwonjezera kutalika. Poganizira kuti ndodo yomwe imagwiritsidwa ntchito pochirikiza mlongoti ndi wautali mamita 20, ndinawonjezera mapazi 3 1/2 a choko chotsalira pamwamba pa waya woyima. Motere pamene kutalika kwa mamita 20 kuli pa kukula kwake komaliza, ndikhoza kusintha kukula kwa mlongoti kuti nditsimikizire kuti balun imakhazikika pansi.

   

Kenako yimbani mlongoti mpaka 30 mita. Yambani ndikuyika kachidutswa kakang'ono ku screw yomwe ili pakati pa ma koyilo awiri. Onani kugwedezeka. ngati chatsika kwambiri, chokaniponso ndikuwunikanso. Ngati ndi yotsika pang'ono, mongosiyana 1 kapena 2 kutembenuka kwa gawo losafupikitsidwa la koyiloyo. Kuchita izi kumachepetsa kutsika kwa koyiloyo pocheperapo kusiyana ndi kutembenuka.

     

Mukakhutitsidwa ndi mamita 30, bwererani ndikuwunikanso mamita 20. Kanthu kakang'ono kalikonse kakakhala kabwino pamamita 30 ndidatenga zomatira zosungunuka zotentha ndikuziyikanso molingana ndi malangizo a ma koyilo kuti azisungika.

   

Pomaliza kwa 40 metres, sinthani kachidutswa kakang'ono pamwamba pa wononga, chomwe chimagwiritsa ntchito koyilo yonse yolongedza. Bwerezani ndondomeko yosinthira monga kale. Mukamaliza, gwiritsani ntchito zomatira zosungunuka zotentha pamamita 40 omwe amadalira kuti atetezedwe.

   

Nthawi yoyamba yomwe ndinagwiritsa ntchito mlongoti uwu ndi pamene ndinayambitsa Clearfork Canyon Nature Preserve, K-9398 pogwiritsa ntchito ma transceivers anga a QCX-mini. Pansipa pali chithunzi cha mlongoti woyimirira womwe umakhazikitsidwa pamtsinje panthawi yotsegula.

    

Mtundu wake ndi wovuta kuwona mlongoti. Ndimagwiritsa ntchito paracord yachikasu pamizere ya amuna yomwe imathandizira kuwona komwe kuli mlongoti.

       

12.jpg          

Zotsatira zake? Ndakondwera ndi mlongoti uwu. Ngakhale ndizovomerezeka, zimagwira ntchito bwino-- ngakhale kuyendetsa QRP. Pakuyambitsa kwanga koyamba ndi izo, ndidapanga 15 QSOs pa 40 ndi 20 metres. Nthawi zambiri ndimalandira malipoti 569 ndikuyendetsa ma watts asanu.

Tags

Gawani nkhaniyi

Pezani zotsatsa zabwino kwambiri za sabata

Zamkatimu

    Nkhani

    Kufufuza

    LUMIKIZANANI NAFE

    contact-email
    kulumikizana-logo

    Malingaliro a kampani FMUSER INTERNATIONAL GROUP Limited

    Nthawi zonse timapatsa makasitomala athu zinthu zodalirika komanso ntchito zoganizira.

    Ngati mukufuna kulumikizana nafe mwachindunji, chonde pitani ku Lumikizanani nafe

    • Home

      Kunyumba

    • Tel

      Tel

    • Email

      Email

    • Contact

      Lumikizanani