directional antennas mad
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Antennas : 40M : 40 meter Vertical Antennas
- Vertical bazooka antenna for the 40m
- A quarter wave vertical omni-directional antenna for 7 MHz. Formulas for dimensions in feet and meters are provided. Ideal radial angle is between 35° and 45°. Velocity factor (Vf) varies based on coax type.
[ Hits: 135 | Votes: 7 | Rating: 6.85 ]
- Build your first dipole
- The dipole antenna is an easily designed and made antenna usually used on HF, although can be (and sometimes is) made for VHF and UHF antennas, and in varying forms is also used as part of different designs of antennas i.e. as the driven element for directional antennas.
[ Hits: 14809 | Votes: 14 | Rating: 6.93 ]
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