Richard Harrison wrote:
"Channel 2 was the lowest frequency TV channel widely used so it had the
longest wavelength (50 MHz & 6 mtrs. or 68 ft."

The multiplier is 3.28 to convert meters to feet, so I should have
written 19.68 ft..

I also intended to warn that an attic is usually unfriendly to antennas
due to the proximity of metal pipes and wires which interfere.

Best regards, Richard Harrison, KB5WZI