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7 Mhz Vertical Antenna

7 Mhz Vertical Antenna
    The secret with this antenna is to install as many radials as you can around the base of the antenna, they can be anything from 1/8 wave or longer
post 08 Jan 2025



Antenna Vertical Links →

187



Antenna Sloper
L'angolo che si forma tra il palo di sostegno e il filo irradiante dovrebbe essere tra i 30 e 45 gradi di inclinazione

Antenna tipo canna da pesca
L'antenna necessita di un solo contrappeso di 18 mt come sopra indicato, ma sarebbe opportuno provare con un radiale di 25, 30m

Antenna Up and Outer
Is a substantially half-wave dipole except that the two arms are somewhat differently positioned

Antenna aperiodica 10-15-20 meter
Piano di terra con rete da pollaio 1m x 10m divisa in 2x6m incrociati a 2/5 circa


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Bazooka-Antenna Calculator

Bazooka-Antenna Calculator Antenna Bazooka one of its characteristics, are: easy installation, and very silent especially in the low bands

30-40 Meter Vertical

30-40 Meter Vertical I built this antenna specially to be used on the 30 meter band. The coil used is big enough to cover the 40 meter band as well. The coil is a bit over kill to just run 200 watts through it, but it was given to me. This coil came from a broadcast transmitter

Double Extended Zepp NVIS Antenna Calculator

Double Extended Zepp NVIS Antenna Calculator The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna

DHD Double Half Delta

DHD Double Half Delta This is a dhd double half delta in theory it should return a low signal but with a good s - n ratio roughly like a beverage

Carico fittizio 50 ohm 1600W

Carico fittizio 50 ohm 1600W Carico fittizio 50 ohm 1600w in olio minerale di paraffina con schema elettrico

Build a 12/17 Meter Trap Dipole

Build a 12/17 Meter Trap Dipole Why a 12/17 meter rotatable dipole? Well, many folks have verticals for the lower bands

trap-dipole-80m-40m Dual Band Vertical

80m-40m Dual Band Vertical Hopefully this will help others looking for a good 80m/40m antenna, i have enjoyed this antenna project and it works very well

Automatic Satellite Tracker

Automatic Satellite Tracker To design and build an automatic satellite tracker for two-way radio communication using cheap and available hardware

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