I think most NOAA Weather Radio sites use these Nautel 1kW transmitters, which were ordered and installed about 10 years ago.
nautelnav.com
The NOAA facilities I'm aware of are co-located with other users. Sometimes public safety (highway patrol, etc), sometimes commercial broadcast.
The NWS office for Lincoln, IL posted a good photo of a tower crew rigging one of their antennas on the tower of WCIA-TV/Champaign, IL. https://www.weather.gov/images/ilx/NWR/KevinLighty_TowerCrewAntennaInstall_21.png
VHF Weather Radio Systems - Nautel Nav
The NOAA facilities I'm aware of are co-located with other users. Sometimes public safety (highway patrol, etc), sometimes commercial broadcast.
The NWS office for Lincoln, IL posted a good photo of a tower crew rigging one of their antennas on the tower of WCIA-TV/Champaign, IL. https://www.weather.gov/images/ilx/NWR/KevinLighty_TowerCrewAntennaInstall_21.png