V-dipole antenna
thingiverse
This is a center piece for a V-dipole - 120° between the arms. Print two copies (0.2mm layer, 3 walls). Sand top layer smooth, so the two halves can be glued together leaving no gaps. Use 3.2mm (1/8 inch) diameter aluminium TIG welding rods for dipole arms. Use choc block / terminal connector inserts to connect the coax. Glue the two parts together using CA glue, apply a lot of pressure when curing to ensure no gaps remain. It is designed for H155 cable. Of course it can work on any frequency you like, depending on the arm length. 2x 50cm arms work reasonably well on amateur 2m and 70cm bands, including NOAA weathersats reception. Always make sure your antenna is well tuned before transmitting.
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