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23cm double bi quad antenna


23cm double bi quad antenna

It's fed with a short length of RG-223 co-ax, fitted with a balun sleeve made from the braiding off some UR67

post 24 Oct 2024


Antenna for UHF VHF Links

150



Cross Yagi antena com polarizacao circular para satelites, PY2BBS
To design a set of LHCP circular polarization VHF and UHF antennas to work in low-orbit satellites

Coaxial dipole VHF UHF
Here is a homebrew coaxial dipole built from a small stainless whip

Dipolo bibanda VHF/UHF da finestra
Dipolo verticale bibanda 144/430 MHz un semplice, economico ed efficiente dipolo verticale da finestra

Four element 2 meter quad antenna
Each element is built on a separate hub so theantenna can be taken apart. The boom is made from common schedule 40 PVC

Half wave dipole
The simplest antenna not only for VHF, CB and the like is bipolar the so-called Dipole, can be easily assembled at almost zero costs, but has some disadvantages, such as low gain and low directionality


Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

Conrad Electronic

Conrad Electronic Electronic components online shop in German and Italian