Simple musical calculator calculates transmit frequency, receive frequency of AMPS (Advanced Mobile Phone System) channel and frequency online.
Formula:
Transmit frequency
N (1 - 799) : (0.03)×N+870 MHzN (991 – 1023) : (0.03)×(N-1023) +870 MHz
Receive frequency
N (1 - 799) : (0.03)×N+825 MHzN (991 – 1023) : (0.03)×(N-1023) +825 MHz