A 3/2 wave fed at 1/6 or 16.67 % off one end show low fairly Low SWR's
at the follow frequencies if the wire is cut to 3/2 W @ 7 MHz

7MHz , 9.25 mhz, 11.75mhz , 21.25 MHz (about 7:1 into 50 ohms) and 26
MHz .. These are if fed with 50 ohm line. .
Cheers 73 Dave kc1di