Color is not claimed as a feature of the mark.
The mark consists of "PIEDMONT" appearing over a smaller word "CALL," which appears directly under the letters "O" and "N" in the word "PIEDMONT." Ascending above the letter "O" in the word "PIEDMONT" are three radio waves. The design element, appearing to the left side of the word "PIEDMONT," consists of a square formed by four broken, curved lines.