So we have a new digital public safety radio system that has 8 GTR8000 units that operate in Mixed Mode. On the analog side the 8 repeaters are programmed with the correct corresponding Standard interoperable CTCSS codes which has been standard practice for agencies in California for years. When the system's digital side was recently added the vendor appears to have basically shot from the hip and made up NACs instead of using the standard interoperable NACs that allow interoperabiltiy for outside agencies. So we have over 200 HTs 100 mobiles and 8 GTR8000 repeaters and a control station spread out over 6300 square miles that should be updated to correspond to the Standard NAC plan.
My thought is that if we can set up each repeater to relay traffic with either the currently programmed non-standard NAC, or the correct corresponding standard NAC then a fairly seemless transition can occur. First the repeaters would be reprogrammed by adding the correct corresponding NAC. Then the Control Station can be reconfigured to operate with the correct NACs. This will allow for gradually reprogramming the mobiles and handhelds over time as they will work both before and after being reprogrammed,
My thought is that if we can set up each repeater to relay traffic with either the currently programmed non-standard NAC, or the correct corresponding standard NAC then a fairly seemless transition can occur. First the repeaters would be reprogrammed by adding the correct corresponding NAC. Then the Control Station can be reconfigured to operate with the correct NACs. This will allow for gradually reprogramming the mobiles and handhelds over time as they will work both before and after being reprogrammed,
