12-29-2015, 09:57 PM
Welcome to the Phorum!!
I believe the red and black connections were for a Philco All Wave antenna, a dipole antenna later called the Philco High Efficiency antenna. The clip ANT connector was for a simple wire antenna.

I believe the red and black connections were for a Philco All Wave antenna, a dipole antenna later called the Philco High Efficiency antenna. The clip ANT connector was for a simple wire antenna.