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Double-bazooka-calculator
The calculation of the popular double bazooka antenna is easier than you can imagine. First a little debauchery about the construction of the double bazooka - or also called coax antenna
post 29 Jan 2024
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Double bazooka coaxial dipole broad-band, W5BGP
The inside sections, do not radiate, but act as quarter-wave shorted stubs which presents high resistive impedance to the feed point at resonance and tends to cancel reactance as frequence off resonant frequencies
Double Bazooka Dipole
consist of a half wavelength piece of coax RG58 with the shield split at the center and the feedline attached to the open ends
Antenne double-bazooka
The double-bazooka consists of 1/2 lambda of coaxial cable cut at its center or twice 1/4 lambda
Double bazooka Antennen
My measurements that I used successfully: Band: Coaxial length: 30m 9.77m 2.03m (30cm longer left to vote) 40m 13.99m 2.904m (30cm longer to vote) 80m 26.77m 5.41m
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The inside sections, do not radiate, but act as quarter-wave shorted stubs which presents high resistive impedance to the feed point at resonance and tends to cancel reactance as frequence off resonant frequencies
consist of a half wavelength piece of coax RG58 with the shield split at the center and the feedline attached to the open ends
The double-bazooka consists of 1/2 lambda of coaxial cable cut at its center or twice 1/4 lambda
My measurements that I used successfully: Band: Coaxial length: 30m 9.77m 2.03m (30cm longer left to vote) 40m 13.99m 2.904m (30cm longer to vote) 80m 26.77m 5.41m
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