Re: Radio antenna ground plate
My radio theory is more than a little rusty, but here goes. Car radios use what is known as a Marconi half wave antenna, which utilizes ground for part of the antenna circuit. In a car, the antenna element forms one quarter of the antenna, and the skin of the car (and capacitance to the road) forms the ground plate, and provides the other required quarter wave. So, the antenna should be grounded to the body.
69 RS, Hugger orange/black, Deluxe interior, Sony AM/FM/XM/CD, PS & PB. 355, forged pistons, Eagle rods, balanced, Iron Eagles, 9.4:1 CR, .038 quench, XR270HR Cam, Z28 intake, FAST-EZ EFI 2.0, Thorley Tri-Ys, TCI 700R4, 2400 stall, 3.42 posi