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4 square vertical system
- Many stations use this system all around the world and it has proven his effectiveness
post 24 Dec 2024
Antenna 80 meter Links →
Dipolo bobinada 40-80 Mts
This dipole for 40 and 80 Mts band. With coils, it is an excellent project -archi tested- in a band of 40 Mts. It has the same behavior of a dipole of 1/2 normal wave, and in 80 Mts band
Inverted L Antenna 160 -80 -40 meters
Vertical Inverted L for the 160, 80 and 40- meter Bands
Double-L Antenna For 80/160
This 10 - 160 meter tuned horizontal loop antenna is fed with 450 ohm
Larga banda in 80mt
76
This dipole for 40 and 80 Mts band. With coils, it is an excellent project -archi tested- in a band of 40 Mts. It has the same behavior of a dipole of 1/2 normal wave, and in 80 Mts band
Vertical Inverted L for the 160, 80 and 40- meter Bands
This 10 - 160 meter tuned horizontal loop antenna is fed with 450 ohm
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
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