2 SIZE AVAILABLE, for QRP or 100W~
simple box for matching unit SOTA POTA portable operation.
could be used to make a Dipole, EFHW, EFRW antenna.
radio plug into the BNC, the Antenna into the Banana plug.
item required:
-4mm banana plug
-BNC connector
-FT50-43 toroid (for small version) or FT140-43 for the big one
-4 screws (i use one for mounting computer fans)
i am using solid core Ethernet wire for this without problem.
look at the pictures to get an idea of the required item and connectors.
small version: 45mm X 45mm X 30mm
big version: 60mm X 60mm X 35mm
added BIG version for FT140-43 torroid, tried and works.
big version LID + big version BOX
The author marked this model as their own original creation.