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4 el. Log periodic 144 Mhz - 430Mhz
Antenna bibanda per i 144 Mhz e i 430Mhz del tipo Log periodic a 4 elementi
post 14 Aug 2024
Antenna for UHF VHF Links →
Bi-Bande 144/432Mhz pour le trafic SSB
Details of the dipoles: that of the 144Mhz is actually a trombone recovery, with the impedance matching system on the top of the boom.
Cheap Yagi Antennas for VHF/UHF
Typically, a high gain antenna is designed in the computer, then you try to come up with a matching arrangement for a 31.9 Ohm
Construccion de una antena cubica para VHF
The cubic antenna is a dipole to which we have folded the ends to close it
Diamond F23 Antenna Failure
By feeding it in the center of the horizontal side, horizontal polarization will be obtained, the performance of this antenna is superior to any yagui of the same number of elements in more than 1.4 dB
Dipolo 88-108 MHz
Trasmissione per la banda FM 88-108 Mhz normalmente sono a 75 Ohm di impedenza
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Details of the dipoles: that of the 144Mhz is actually a trombone recovery, with the impedance matching system on the top of the boom.
Typically, a high gain antenna is designed in the computer, then you try to come up with a matching arrangement for a 31.9 Ohm
The cubic antenna is a dipole to which we have folded the ends to close it
By feeding it in the center of the horizontal side, horizontal polarization will be obtained, the performance of this antenna is superior to any yagui of the same number of elements in more than 1.4 dB
Trasmissione per la banda FM 88-108 Mhz normalmente sono a 75 Ohm di impedenza
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