Hits 

Antenna big-whell


Antenna big-whell
The Big Wheel is an omnidirectional antenna with horizontal polarization
post 30 Jun 2024


Antenna for UHF VHF Links

153



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


Ferrite-shop

Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice

Kits and Components

Amateur radio kits by Kanga US

Pcs Electronics

Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters