> For the complete documentation index, see [llms.txt](https://teravolt.gitbook.io/teravolt/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://teravolt.gitbook.io/teravolt/gps/aeronav-x5/performance-specifications.md).

# Performance Specifications

**Positioning Accuracy**

| Mode       | Horizontal       | Vertical     |
| ---------- | ---------------- | ------------ |
| RTK        | 0.6 cm + 0.5 ppm | 1 cm + 1 ppm |
| Standalone | 1.2 m            | 1.9 m        |
| SBAS       | 0.6 m            | 0.8 m        |
| DGNSS      | 0.4 m            | 0.7 m        |

**Velocity Accuracy:** 3 cm/s\
**RTK Initialisation Time:** 7 s

**Timing & Data Rates**

| Parameter                          | Value   |
| ---------------------------------- | ------- |
| Maximum update rate (position)     | 100 Hz  |
| Maximum update rate (measurements) | 100 Hz  |
| Latency                            | < 10 ms |
| Time precision (xPPS out)          | 5 ns    |
| Event accuracy                     | < 20 ns |

**Time to First Fix (TTFF)**

| Mode           | Time   |
| -------------- | ------ |
| Cold Start     | < 45 s |
| Warm Start     | < 20 s |
| Re-acquisition | 1 s    |

**Tracking Performance (C/N₀ Threshold)**

| Mode        | Threshold |
| ----------- | --------- |
| Tracking    | 20 dB-Hz  |
| Acquisition | 33 dB-Hz  |