CBRS Essential Artifacts Repository

Public mirror of key reference data files and geospatial artifacts for the Citizens Broadband Radio Service (CBRS) (3.55–3.7 GHz band).

File Inventory & Downloads

Category File Description Format
county
US County boundaries
us_county.zip US county boundaries (used for PAL license areas) Shapefile ZIP
dpa
Dynamic Protection Areas
e-dpas.kml ESC sensor locations / protection KML
gb-dpas.kml Ground-based radar DPA polygons KML
p-dpas.kml Portal / entry-point related DPA KML
ea
Equipment Authorizations
2017.json FCC CBRS certifications – 2017 JSON
2018.json… 2018JSON
2019.json… 2019JSON
2020.json… 2020JSON
2021.json… 2021JSON
2022.json… 2022JSON
2023.json… 2023JSON
2024.json… 2024JSON
2025.json… 2025JSON
fss
Protected FSS data
fss/latest Always points to the most recent clean FSS snapshot JSON
fss-data.2026-3.json Example: Latest available snapshot (as of Jan 2026) JSON
Additional periodic snapshots & error/rejected files available in /fss/ folder
pal
PAL assignments
pal/latest
(current: pal_database_20251020.json)
Always points to the most recent PAL channel assignments JSON
zone
Exclusion Zones
esz.kml Most recent NTIA-published Exclusion Zones (legacy) KML

Quick Summary

Folder Content Format Purpose Update Frequency
countyUS county boundariesShapefile ZIPPAL license areasInfrequent
dpaDynamic Protection AreasKMLNTIA DPA regionsAs published
eaEquipment AuthorizationsJSONFCC CBSD certificationsYearly
fssProtected FSS sitesJSONFCC/NTIA protected earth stationsWeekly / periodic
palPAL channel assignmentsJSONCurrent PAL databaseMonthly / quarterly
zoneExclusion ZonesKMLLegacy/static federal zonesVery infrequent

Usage Notes

License & Disclaimer

All files are public domain U.S. government data (or derivatives) and redistributed here under the same terms.
No warranty — use at your own risk. Data may be stale or contain errors.
For production/compliance purposes, always use official FCC/NTIA sources.

Maintained by Key Bridge Wireless • January 2026