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Rhombic-Math antenna
Termination resistor needs to be near 800Ω Resistors must be carbon resistance not inductive
post 06 Jun 2024
Antenna Multibands Links →
Diamond w8010 banden 80-40-20-15 en 10 meter
The antenna described here is known under different names. It is a combination of two dipoles that are shortened with coils and thus the bands 80-40-20-15 and 10
Carolina Windom antenna
It is an off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m
Multi-band antenna for the 80, 40, 20, 17, 12, 10 and 6 meter
Project for a multi-band antenna for the 80, 40, 20, 17, 12, 10 and 6 meter bands, including a 1:4 impedance transformer and a current balun handling 800 Watt with common mode attenuation up to 40 dB!
W3HH Multibands with Balun for 10/80mt
The antenna consists of a folded dipole originally fed by a two-wire 600 ohm impedance line
Clothesline antennaWhen you unroll the wire from the reel, it changes resonance in terms of it's operating frequency
156
The antenna described here is known under different names. It is a combination of two dipoles that are shortened with coils and thus the bands 80-40-20-15 and 10
It is an off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m
Project for a multi-band antenna for the 80, 40, 20, 17, 12, 10 and 6 meter bands, including a 1:4 impedance transformer and a current balun handling 800 Watt with common mode attenuation up to 40 dB!
The antenna consists of a folded dipole originally fed by a two-wire 600 ohm impedance line
Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter
Amateur radio kits by Kanga US
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