1. Short title This Act may be cited as the NOAA Weather Radio Modernization Act of 2023 or the NWR Modernization Act of 2023 . 2. Definitions (a) NOAA Weather Radio The term NOAA Weather Radio means the National Oceanic and Atmospheric Administration Weather Radio All Hazards network. (b) Under Secretary The term Under Secretary means the Under Secretary of Commerce for Oceans and Atmosphere and the Administrator of the National Oceanic and Atmospheric Administration. 3. Upgrading existing systems (a) In general The Under Secretary shall, to the maximum extent practicable, upgrade systems of NOAA Weather Radio in use as of the date of the enactment of this Act in order to expand coverage and ensure the reliability of NOAA Weather Radio. (b) Requirements In carrying out subsection (a), the Under Secretary shall— (1) maintain support for systems described in such subsection that serve areas not covered by or having poor quality cellular service; (2) ensure consistent maintenance and operations monitoring, with timely repairs to equipment and antennas at broadcast transmitter sites; (3) enhance the ability to amplify non-weather emergency messages through NOAA Weather Radio as necessary; and (4) acquire additional transmitters as required to expand coverage to rural and underserved communities, units of the National Park System, and National Recreation Areas. 4. Modernization initiative (a) In general The Under Secretary shall, to the maximum extent practicable, modernize NOAA Weather Radio to ensure the capabilities and coverage of NOAA Weather Radio remain valuable to the public. (b) Requirements In carrying out subsection (a), the Under Secretary shall— (1) upgrade the telecommunications infrastructure of NOAA Weather Radio to accelerate the transition of broadcasts to media that provide an increase in reliability and repairability over copper media