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The W3EDP HF Antenna
The end fed wire antenna lends itself readily to QRP and portable operation.The Tuning capacitor in the AMU can be a 365 - 500pF
post 25 Mar 2026
Antenna Multibands Links →
Morgain raccorciata per i 40-80 metri, IT9ECY
The antenna described here is known by different names. It is a combination of two dipoles shortened with coils and thus the tires 80-40-20-15 and 10 meters
Multiband HF Center-Loaded Off-Center-Fed Dipol
ON4AA CL-OCFD with 80, 40, 30, 20, 15 10 m coverage. The capacitor C shortens the dipole for 80 m actually 75 m band resonance, whereas the coil lenghtens the dipole for 30 m third harmonic resonance. Resistor R has as sole function bleeding off static charges, protecting capacitor
Folded dipoles
Obviously, the title Folded dipole is not appropriate, it is to confuse the whole with one of its parts
Loop antenna multiband horizontal
This multiband antenna covers the 80, 40, 30, 20, 17, 15, 12, 10 and 6 Mx Amateur bands. Multiband operation is achieved by use of 300 ohm balanced line fed to an antenna tuner
Multibands 3,5 to 28 Mhz
My version of this antenna works from 3.5 to 28 MHz
159
The antenna described here is known by different names. It is a combination of two dipoles shortened with coils and thus the tires 80-40-20-15 and 10 meters
ON4AA CL-OCFD with 80, 40, 30, 20, 15 10 m coverage. The capacitor C shortens the dipole for 80 m actually 75 m band resonance, whereas the coil lenghtens the dipole for 30 m third harmonic resonance. Resistor R has as sole function bleeding off static charges, protecting capacitor
Obviously, the title Folded dipole is not appropriate, it is to confuse the whole with one of its parts
This multiband antenna covers the 80, 40, 30, 20, 17, 15, 12, 10 and 6 Mx Amateur bands. Multiband operation is achieved by use of 300 ohm balanced line fed to an antenna tuner
My version of this antenna works from 3.5 to 28 MHz
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