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Antena Cubica Multibanda
This is the quad-cubic antenna for 2 elements. 14.25 MHz = 21 Mts 50 cm, 21.30 MHz = 14 Mts 38 cm, 28.60 MHz = 10 Mts 73 cm
post 24 Mar 2024
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A Homebrew Quad 3 bandes 14-21-28
All elements of the rod and arm are made of fiberglass. The idea is to rebuild this 5-band antenna
Build a Multiple-Polarization Quad
The feedline is connected to point A, which gives a horizontally polarized transmitted signal
Double Quad 13CM 23 CM
Here is a description of a 9 dBd double quad and its calculations
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All elements of the rod and arm are made of fiberglass. The idea is to rebuild this 5-band antenna
The feedline is connected to point A, which gives a horizontally polarized transmitted signal
Here is a description of a 9 dBd double quad and its calculations
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free