The Army National Guard operates RC-12 surveillance aircraft (Wikipedia) to provide domestic availability of military surveillance technology while avoiding the restrictions of the Posse Comitatus Act (the Air National Guard operates RC-26B aircraft).
| Mode S Hex | Idents Used | Callsigns Used |
|---|---|---|
| ADFE48 | MYSTC 61, IVY 70 | Idaho 17 |
The RC-12 aircraft uses civilian VHF frequencies for communication with air traffic control. The aircraft with mode S code ADFE48 has been noted using the following pool of air-around communication frequencies. The air-ground frequencies are 100% encrypted.
| 163.3 | M | n 293 | Air-to-Ground, Encrypted |
| 163.35 | M | n 293 | Air-to-Ground, Encrypted |
| 165.3 | M | n 293 | Air-to-Ground, Encrypted |
| 165.325 | M | n 293 | Air-to-Ground, Encrypted |
| 167.325 | M | n 293 | Air-to-Ground, Encrypted |