Excellent video Matt :) also that Cobra 139XLR radio with 2 voltage regulators on that piece metal for when put extras channels or called Side Car box for have tune channels in plus switches and frequency counter setup plus noise toys too! How know about it Side Car box had one on my Cobra 139XLR years ago and had 40 channels and cube disabled ! Original owner did not me and he had from 1978 to 1993 when sold to me ! Also Am / Sideband be talking radio for am up 7 watt before peak , 20 to 25 watts on before PEP on 3 times watts be ! 100 % modulation am and Sideband be excellent to !