Based on your reply you have absolutely no knowledge of what I'm asking for.
Some not all systems have Site NACs for each simulcast site to help reduce any interference. Scanners do not require a NAC but some commercial radios do. For example I am using a Harris P7300 radio to monitor trunking systems all over the areas I travel. No Multi Site Distortion with commercial radios like with scanners.
Here is a site in Rochester, NY that uses a Site Nac
https://www.radioreference.com/apps/db/?siteId=20179
Under Highlands County it just shows N/A so I'm not sure if it doesn't use one or someone has never submitted one.