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G5RV multi-band antenna
The invention of the G5RV dipole antenna, with its special feeder arrangement adder line is a multi-band
post 14 Feb 2024
Wire & Random Antenna Links →
Zepp antenna multibands
Le antenne Zeppelin sono dette tali perché derivano, guarda caso, dal famoso dirigibile di fabbricazione tedesca detto appunto Zeppelin
Wire Antenna Calculator
The following program will calculate the lengths needed to construct several popular wire antennas
80m ARDF Antenna
At 80m, any antenna using a wire length of 8m or less , has a high input reactance with a very low radiation resistance
Aerials Some thoughts and ideas
The doublet works I found on all bands. A dipole is really a one band aerial, cut for 1/2 λ on the band you want to work on and fed by 50 Ω
125
Le antenne Zeppelin sono dette tali perché derivano, guarda caso, dal famoso dirigibile di fabbricazione tedesca detto appunto Zeppelin
The following program will calculate the lengths needed to construct several popular wire antennas
At 80m, any antenna using a wire length of 8m or less , has a high input reactance with a very low radiation resistance
The doublet works I found on all bands. A dipole is really a one band aerial, cut for 1/2 λ on the band you want to work on and fed by 50 Ω
5W CW transceiver kit A feature-packed,high performance, single-band 5W CW transceiver kit, with WSPR beacon
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal