If you get the time could you upload a rough hand drawing of your prototype cardioid loop..espically the sense wire..ie how long was yours and how was it terminated at gnd..( ie was it 6m of wire just hanging down and connected to a 6 inch gnd peg? Etc..)
On the hunt for some hula hoops..in lock down lol or will be making something..like to try tomorrow after work..
