(1) All leasehold interests in property used for the placement of amateur radio repeaters that are made available for use by, or are used in support of, a public agency in the event of an emergency or potential emergency to which the agency is, or may be, a qualified responder, are exempt from tax under this chapter.

(2) For purposes of this section, "amateur radio repeater" means an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation, and is used by amateur radio operators possessing a valid license issued by the federal communications commission.