47 CFR 24.134 - Co-channel separation criteria.
The minimum co-channel separation distance between base stations in different service areas is 113 kilometers (70 miles). A co-channel separation distance is not required for the base stations of the same licensee or when the affected parties have agreed to other co-channel separation distances.
Title 47 published on 2014-10-01
no entries appear in the Federal Register after this date.