No person shall maintain or operate any equip- ment, device, appliance, or apparatus in the City which generates or causes high frequency oscillations which interfere with radio or television transmitting or reception; except, that X-ray pictures, examinations, or treatments and diathermy treatments may be made if the machine or apparatus therefor is equipped to avoid all unnecessary or unreasonable interference and are not negligently operated.
('88 Code, Title IX, Ch. 109, § 9.27) Penalty, see § 90.99