Space-Ground Communication Link Security
Part 2 — Link & RF Framing SecurityRF Uplink/Downlink Channels, CCSDS Framing, SDLS Encryption, & Telecommand Anti-Replay Protection
Active RF Link Count:1 Channels Active
Space-Ground Communication Topology & Signal Pipeline
Click any link node to inspect cryptographic parametersMission Control
MCC-ALPHA-01
InternalSvalbard Ground Station
GS-SVALBARD-01
Uplink ReadyS-Band RF Link
AETHER-1 Satellite
OBC Flight Computer
Replay WarningSvalbard Uplink/Downlink Telemetry Channel
Protocol: CCSDS • Band: S-Band (2.25 GHz)
Encryption Status
AES_GCM_256
Authentication
authenticated
Signal Latency
142 ms
Channel Health
88%
Anomaly: RF Uplink Frame Sequence Replay IndicatorInspect Details →
Communication & RF Security Alerts
RF Uplink Frame Counter Desynchronizationhigh
Ground antenna uplink to SAT-AETHER-1 detected a 14-frame counter discrepancy, indicating potential frame injection or replay indicator.
Confidence: high