dual biquad antena analog dvbt diy

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This is my homemade dual biquad antena for analog and dvbt. A guide for diy. Antena have one important length from center to edge of a center wire. L = 96 mm. After that is whole length 2 x (2 x 4 x 96 mm) = 2 x 768 mm = 1536 mm. I used cooper wire with diameter 3 mm, but it works with diameters in the range 1 mm to 8 mm. Between two biquads i have 10 mm gauge.
I used 75 ohm shielded coaxial cable. And works very well in the real world - see my next video, how its made.

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