GUARDRAIL
Name: Guardrail Common Sensor
Task: Reconnaissance, direction finding, data collection and dissemination
Frequency:
Reconnaisance: HF, VHF, UHF, SHF Direction finding: Classified
Reconnaisance: HF, VHF, UHF, SHF
Direction finding: Classified
Carrier: RC-12 K/N/P/Q
