Hits 

Antenna Polarization Switch


Antenna Polarization Switch

A switch that would allow both horizontal, vertical, Left Hand Circular Polarization (LHCP) and Right Hand Circular Polarization (RHCP) for the 2x6 elements DK7ZB cross yagi that I made

post 06 Oct 2024


Antenna for UHF VHF Links

150



Hi-VHF Folded Dipoles
Hi-VHF Folded Dipoles with wide variance in element sizes analyzed using 4nec2

Flower-Pot Antenna
My first problem was assessing the antenna's match to the coax feed at 2 metres

Groupement de radiateurs colinear
Gain before 14 dBi ratio before back 20 dBi


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

50MHz to 28MHz RX Converter

50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal