Yini ibhendi ye-UHF ne-VHF engayenza emsakazweni we-ham?

Ngemva kokuchayeka emsakazweni wezinganekwane isikhathi esithile, abanye abangani bazovezwa i-short-wave, futhi inhloso yokuqala yabanye abayizimfundamakhwela i-short-wave.Abanye abangani bacabanga ukuthi ukudlala i-short-wave kungumthandi womsakazo wangempela, angihambisani nalo mbono.Kunomehluko omkhulu phakathi kwebhendi ye-short-wave ne-UHF & VHF, kodwa awukho umehluko phakathi kobuchwepheshe obuphezulu nobuphansi, futhi awukho umehluko phakathi kokuzilibazisa kweqiniso nokungamanga.

izindaba (5)

Ngenxa yezici ezihlukile zebhendi yefrikhwensi, ibhande le-UV ikakhulukazi elokuxhumana kwendawo, okuchemayo ekusebenzeni.Iningi labathanda izinto zokuzilibazisa liqala ngebhande le-UV, okuyinkundla enhle kakhulu yokuxhumana kwendawo.Wonke umuntu uyayithanda futhi uyayijabulela le ndlela yokuxhumana, futhi abanye basungule izinhlangano ezingenzi nzuzo ezisekelwe kule nkundla.Noma ngabe kuthiwani, ibhendi ye-UV isakhawulelwe ekuxhumaneni kwasendaweni.Lesi isici "esisebenzayo" serediyo yezinganekwane.Lezi zimfundamakhwela zivame ukuhlangana ndawonye.Eziningi zazo zingokoqobo kakhulu.Abakuthandi ukuxhumana kwe-short-wave yezinkulungwane zamakhilomitha.Abanandaba nebanga elide.Yini engenziwa ibhande le-UV?

1. Ama-antenna azenzela wona, afana nezimpondo ze-Yagi, ama-antenna ezinto eziningi eme mpo (ngokuvamile aziwa ngokuthi yi-fiberglass antenna).
2. Ukuxhumana ngesathelayithi eyimfundamakhwela kunzima kakhulu futhi kudinga ukufunda ulwazi oluthile.
3. Ukuxhumana kwe-DX, kodwa amathuba okusabalalisa nokuvula ayadabukisa.Kudinga isineke esikhulu nenhlanhla, kanye nesikhundla esihle.
4. Ukuguqulwa kwemishini.Abangane bami abambalwa benza iziteshi zomsakazo zeqembu le-UV ngokwabo, kodwa kunezibonelo eziningi zokuguqulwa, njengokushintsha isiteshi semoto sibe ubhaka, ukusebenzisa i-relay, njalonjalo.
5. Ukuxhumeka kwe-inthanethi, i-MMDVM yedijithali, i-Echolink ye-analog, i-HT, njll.
6. I-APRS

Umsakazo we-Ateur uwumsebenzi wokuzilibazisa.Wonke umuntu unamaphuzu ahlukene okugxilwa kuwo.Singaqala ngezici ezihlukahlukene futhi kancane kancane sithole ingxenye evumelana nathi.


Isikhathi sokuthumela: Dec-20-2022