Those 454 MHz frequencies are not licensed to specific sites, but are instead licensed in blocks for specific areas/regions. You won't find licenses for them, not in the traditional sense.
I'm not sure what you mean by "they are not Tier 3 DMR" when clearly this is a Tier 3 system and those are Triangle Communications sites, including the 454 MHz ones. Trust me on that.
I'm not sure what you mean by "they are not Tier 3 DMR" when clearly this is a Tier 3 system and those are Triangle Communications sites, including the 454 MHz ones. Trust me on that.