The Alabama Link is available on P25 Reflector Alabama Link TalkGroup 31010
The Dashboard for the Reflector is available here < – – – – clickable
P25 radios operate very similar to conventional analog FM radios. … When the P25 radio operates in digital mode, the carrier is moved to four specific frequency offsets that represent four different two-bit combinations. This is a modified 4 level FSK used in analog radio systems.