Side-by-side
VersaPNT Assured Positioning, Navigation & Timing Unit vs GSS200D Detector — GNSS Interference Detection & Analysis Solution
Spec comparison for two products on Aviation Souk. Both compete in Air Traffic Control & Navigation Aids.
Air Traffic Control & Navigation Aids
VersaPNT Assured Positioning, Navigation & Timing Unit
by safran-trusted-4d
Compact rugged GNSS + inertial sensor-fusion unit — navigation system, master clock and NTP/PTP time server in one 1 kg IP65 box
Air Traffic Control & Navigation Aids
GSS200D Detector — GNSS Interference Detection & Analysis Solution
by spirent
24/7 multi-frequency GNSS RF interference detection with ICAO Annex 10-aligned civil aviation variant and secure cloud analytics
| Cost of ownership | VersaPNT Assured Positioning, Navigation & Timing Unit | GSS200D Detector — GNSS Interference Detection & Analysis Solution |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 5 | 0 |
Specs
Technical specifications.
| Spec | VersaPNT Assured Positioning, Navigation & Timing Unit | GSS200D Detector — GNSS Interference Detection & Analysis Solution |
|---|---|---|
| Sensor fusion | FlexFusion engine combining GNSS + internal tactical-grade MEMS IMU + precision oscillator; external IMU and alternative-navigation inputs supported | — |
| GNSS | 72-channel L1 receiver, multi-constellation capability; SMA input with +5 VDC antenna feed; AJAS anti-jam antenna compatible | — |
| Oscillator options | OCXO, high-performance OCXO, mRO-50 miniature rubidium | — |
| 1PPS accuracy to UTC (locked) | +/-50 ns; frequency accuracy 5x10^-12 (OCXO) to 1x10^-12 (mRO-50) averaged over 24h | — |
| Holdover 1PPS drift (mRO-50) | 0.2 us @ 4 h, 1.5 us @ 24 h, 20 us @ 7 days; (OCXO): 3 us @ 4 h, 40 us @ 24 h | — |
| Position accuracy | 2.5 m RMS horizontal, 5.0 m RMS vertical (GPS L1, typical); velocity +/-0.05 m/s; heading <0.2 deg RMS with GPS; 400 Hz nav output rate | — |
| Operational readiness (hot start) | 1 ms UTC accuracy in 60 s, 1 us in 200 s | — |
| Timing I/O | 1PPS, configurable pulses to 10 MHz, IRIG DCLS (A/B/E/G, NASA-36), HaveQuick, NMEA 0183 over RS-232/RS-485, 10 MHz sine (SMA) | — |
| Network | NTP v2/v3/v4 server, PTP IEEE 1588 v1/v2 master, dual 10/100/1000bT; SNMP v2/v3, JSON RPC, HTTPS web management | — |
| GNSS jamming/spoofing detection | optional embedded | — |
| Power | 10-32 VDC, <25 W typical (OCXO), 0.4 W standby; size 147.3 x 127.5 x 63.0 mm VITA 75; weight 1.0 kg | — |
| Environment | -40 to +71 C operating (OCXO; -10 to +45 C mRO-50), IP65, MIL-STD-810G shock/vibration, MIL-STD-461F EMI/EMC, 45,000 ft altitude | — |
| Ordering / variants | Oscillator: OCXO / high-performance OCXO / mRO-50 mini-rubidium (rugged low-phase-noise OCXO option for high-vibration platforms); optional internal option board for additional RS-232/RS-485/DCLS interfaces; optional embedded jamming/spoofing detection; optional VICTORY interface; external IMU input. SAASM and M-Code receiver variants are export-controlled (authorised government users only) and excluded from this listing. | — |
| Function | — | 24/7 automated GNSS RF interference detection, capture and analysis |
| Supported bands — GPS GLO L1 variant | — | GPS / Galileo / GLONASS / QZSS L1 |
| Supported bands — GPS L1 L5 variant | — | GPS / Galileo L1 and L5 (E5a); SBAS (WAAS, EGNOS, MSAS, GAGAN, SDCM) |
| Monitored bandwidth — GPS L1 | — | 1575.42 MHz centre; 16 MHz (±8 MHz, 3 dB) on GPS GLO L1 variant, 20 MHz (±10 MHz) on GPS L1 L5 variant |
| Monitored bandwidth — GLONASS L1 | — | 1602 MHz centre; 9 MHz (±4.5 MHz, 3 dB) |
| Monitored bandwidth — GPS L5 | — | 1176.45 MHz centre; 20 MHz (±10 MHz) |
| RFI detection basis — GPS GLO L1 variant | — | Calibration level, with absolute power |
| RFI detection basis — GPS L1 L5 variant | — | GPS L1: ICAO Annex 10 interference mask; GPS L5: EUROCAE Galileo MOPS for E5a; DME/TACAN pulsed RFI identification |
| Event characterisation | — | Automatic interference typing (unintentional interference vs jamming) and priority ranking by likely impact on GNSS services |
| Event records | — | Spectrum and spectrogram with time, frequency, duration, power, type and priority per event |
| Alerting | — | Near-instantaneous email notification on event detection (user-selectable) |
| Data management | — | Encrypted event upload to Spirent PT Cloud; secure authenticated web-browser access with analytics, visualization and trend analysis |
| Deployment form factor | — | Rack-mount field detector unit installed at the site of interest, paired with the secure PT Cloud data server |
| Mitigation support | — | Captured RFI events can be re-synthesised and replayed on Spirent PT TestBench to test receivers (available separately) |
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