gnss-navigation-knowledge-patch
GNSS Navigation Knowledge Patch
Claude's baseline covers basic GPS/GNSS concepts, WGS84, and satellite constellations (GPS/GLONASS/Galileo/BeiDou). This skill provides the practical implementation details needed to write GNSS positioning code: observation equations, correction protocols, receiver configuration, and platform APIs.
Index
| Topic | Reference | Key content |
|---|---|---|
| Observation equations | references/observation-equations.md | Pseudorange/carrier phase models, ionosphere-free combination, error budget |
| RTK & RTCM corrections | references/rtk-rtcm.md | RTCM 3.x message types, MSM4/MSM7, base station output config |
| SPARTN & PPP corrections | references/spartn-ppp.md | SPARTN format v2.0.3, SSR corrections, atmosphere models, encryption |
| Galileo services | references/galileo-services.md | HAS (free PPP corrections), OSNMA (navigation authentication) |
| u-blox F9P & UBX protocol | references/ublox-f9p.md | CFG keys, NAV/RXM messages, RTK activation, SPARTN input |
| IGS products & formats | references/igs-products.md | SP3 orbits, Clock RINEX, IONEX, ANTEX, product tiers and latencies |
| Android raw GNSS | references/android-gnss.md | GnssMeasurement API, carrier phase, antenna info, dual-frequency |
GNSS Signal Frequencies — Quick Reference (inline)
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