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If you need the extra bits and parts to complete the antenna or don't have a CNC Mill you can get them by clicking HERE
1: Slide the left and right sides together
2: Feed your helical coil up from the bottom until it ends in the recess.
3: Put your reflector into the base and slide it onto the helical frame to check your coax length
4: Solder the coax to the reflector
5: Slide the reflector and base onto the frame again and glue it inplace
5: Solder the inner core to the copper helical and your good to go!
If you need LHCP all you need to do is mirror the frame in your slicer.