Dual band tape antenna yagi 3+4 145 / 435 MHz (2m / 70cm)
thingiverse
Human: Version 1.1 - added "cap_top_holder_10mm.stl" (Top cap with mounting hole) ------------------------- This compact and lightweight antenna operates at 145/435 MHz, perfect for measuring tape applications that require precision and accuracy. Measuring 12.5x0.1 mm in size, the antenna measures an impressive 357 mm in length. It's designed to be easy to assemble and disassemble. Design: Element positions (from edge of one element to edge of next): 1: 1032 0 2: 337 27 3: 313 158 4: 1017 180 (End-to-end length with 5 mm spacing) 5: 312 254 6: 926 313 7: 298 357 Materials: PVC pipe 20 mm in diameter, wall thickness 1.2 mm Measurement tape width 12.5x0.1 mm, length 5 meters M3 screws - 9 required M3 nuts - 9 required Coaxial cable used for signal transmission SMA connector available at https://aliexpress.ru/item/32954620990.html
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