That makes sense because the antenna is physically larger but at VHF the size didn’t seem a big difference. He even showed up a little real-world testing and, as you might predict, the test ...
Antenna gain is a better measure of performance. It shows how well an antenna captures UHF and VHF signals. Distance matters, but gain and design are more important for getting channels.
You would construct a counterpoise antenna wire 11.5 inch for VHF, 6.5 for UHF and about 19.5 inches for an OK performing dual band VHF/UHF radio. Normally with a handheld radio the counterpoise ...