PNTMAP resources

Every technical document behind the live map: how detection works, what has and has not been validated, how to verify published evidence independently, and how to read an event record. These pages are the reference material for the indicators shown on the UK GPS jamming and GNSS interference live map.

• GNSS interference detection methodology

  Versioned, parameter-level description of aggregation, thresholds, evidence classes and the parts that are not yet implemented.

• Validation status and test roadmap

  What has been validated, what controlled testing is planned, the acceptance criteria for each step and the current known limitations.

• Verify cryptographic event evidence

  Canonical record format, ML-DSA-65 signatures, Bitcoin and RFC 3161 timestamps, browser verifier and a reference Python verifier.

• How to read a GNSS interference event record

  Field-by-field guide to an event record: evidence class, confidence, sample size, supporting nodes and what each field does not mean.

• Comparison criteria for GNSS data sources

  How to compare GPS jamming maps by methodology, coverage, validation, data ownership, provenance and API access.

• Capability status

  The canonical statement of what is live today, what is not, and the machine-readable mirror at /capability-status.json.

• Evidence ledger explorer

  Browse block headers, Merkle roots and the independent Bitcoin and RFC 3161 timestamps that anchor them.