403MHz 2 element Yagi antenna
thingiverse
Remix of my 403 dipole support to include a reflector. Used this tool to calculate the yagi: https://www.changpuak.ch/electronics/yagi_uda_antenna_DL6WU.php And obtained these details: https://www.changpuak.ch/electronics/yagi_uda_antenna.php Javascript Version 12.01.2014, based on Rothammel / DL6WU ------------------------------------------------------------- Frequency : 403 MHz Wavelength : 744 mm Rod Diameter : 2.6 mm Boom Diameter : 20 mm Boom Length : 184 mm d/lambda : 0.003 ( min.: 0.002 , max.: 0.01 ) D/lambda : 0.027 ( min.: 0.01 , max.: 0.05 ) Elements : 2 Gain : 4.31 dBd (approx.) ------------------------------------------------------------- Reflector Length : 359 mm Reflector Position : 0 mm ------------------------------------------------------------- Dipole Position : 179 mm ------------------------------------------------------------- Directors / Parasitics are isolated. Please choose an isolater thicker than : 10 mm
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