N.H. Rev. Stat. § 21-P:15-d

The department of safety, through its officials, shall: I. Establish and maintain a comprehensive catalog of maps showing tower and site locations of all municipal, county, and state government radio systems throughout the state. II. Collect maps from every municipality, county, and state agency, detailing the locations of their radio systems. III. Receive regular updates from municipalities, counties, and state agencies to ensure the repository remains current and accurate. IV. Collaborate with the municipalities, counties, and state agencies to efficiently gather information and updates. V. Provide access to the repository for all municipalities, counties, state agencies, and relevant stakeholders involved in emergency services and public safety communication. VI. Permit that municipalities and counties may utilize the repository to enhance their own radio capabilities and to identify areas with gaps in radio coverage. VII. Provide guidance on usage of the repository when requested.