The grantee shall at all times during the term of any franchise granted under this chapter, at its own cost and expense, properly and in a good workmanlike manner install and maintain adequate shielding, filtering and grounding at affected installations within the CATV system to eliminate television interference encountered from fundamental frequency overload by radio amateur transmissions which are in compliance with Federal Communications Commission regulations. (Ord. 1595 NCS §16, 1984; Ord. 757 NCS §13; prior code §9A.14.)