Perhaps a small tip.
ATTENTION <=> Is NOT a balun !!!
Here in the radio shop they ask 27 € for such a (MFJ) thing.
Easily to make itself of a capsule from a hair spray bottle or so.
Firstly I make in synthetic material (ertalon)a ring and place the connector.(PL or BNC)
Solder the wires permanently to the connector. Do not forget putting the the wires through the holes.
Filling up everything with hot glue and let cool down.
If you do not have enough time … put in the refrigerator for some minutes.
Cut antenna on QRG.
More info and pictures on our website under PICTURES —> HOME BREW STUFF