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The Vertical Bazooka Antenna
Is an off-center fed vertical dipole made by flipping an electrical quarter wavelength of braid back over the outside of the coax
post 27 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
Antenna switch arduino for icom IC-7300 A solution built around an arduino nano and one of the readily available four relay switching boards
Satellite Antenna Rotator Controller and TRACker ARCTRAC is a portable integrated satellite tracking system
Duplexer 2m-70cm- Usare un'antenna bibanda 2/70 con due radio separate V/UHF, usare due antenne separate V/UHF con una singola radio bibanda