Data coverage
FCC public data sources
Searchable metadata stays on FCC.report. Raw source snapshots, rendered filings, and archived documents are stored as immutable objects and are never fetched during a public request.
| System | Indexed records | Coverage | Refresh cadence | Count measured |
|---|---|---|---|---|
| IBFS / ICFS | 151,779 | International, satellite, and earth-station filings, forms, sites, frequencies, notices, and documents. | Hourly discovery plus historical backfill | 2026-07-30 06:50:57 |
| ELS | 43,241 | Experimental licensing filings, notes, exhibits, correspondence, and archived documents. | Hourly discovery plus historical backfill | 2026-07-30 06:50:57 |
| FCC ID | 624,089 | Equipment-authorization applicants, FCC IDs, models, purposes, dates, and frequency ranges. | Incremental local bridge | 2026-07-30 06:51:04 |
| ULS | 941,456 | Organizational wireless licenses, call signs, service codes, grants, expirations, frequencies, and locations. | Weekly FCC complete-license archives | 2026-07-30 06:51:01 |
| ASR | 196,923 | Antenna structure registrations, owners, locations, heights, status, and FAA studies. | Daily FCC complete registration archive | 2026-07-30 06:51:02 |
| LMS | 1,183,863 | Broadcast applications, applicants, facilities, stations, channels, and assigned authorizations. | Daily FCC LMS database exports | 2026-07-30 06:51:03 |
| CDBS (historical) | 1,124,480 | Pre-LMS broadcast applications, parties, facilities, FRN and call-sign history, and AM/FM/TV engineering data. | Frozen FCC archive; quarterly integrity check | 2026-07-30 06:51:03 |
| Auctions | 16 | Completed auction summaries, bidders, FRNs, markets, licenses, call signs, and final results. | Weekly FCC PRS bulk report refresh | 2026-07-30 06:51:03 |
| Public Inspection Files | 19,038 | Broadcast facilities, station file and folder histories, licensee names, paths, sizes, status, and update dates. | Hourly overlapping history discovery plus weekly facility catalog refresh | 2026-07-30 06:51:03 |
| Form 499 | 20,669 | Telecommunications filers, FRNs, service types, jurisdictions, contacts, and officers. | Daily complete FCC XML export | 2026-07-30 06:51:04 |
| RMD | 11,211 | Robocall Mitigation Database providers, roles, implementation, and recertification. | Daily public FCC CSV export | 2026-07-30 06:51:04 |
| BDC | 2,847 | Broadband Data Collection provider IDs, FRNs, and holding-company relationships. | Weekly National Broadband Map provider list | 2026-07-30 06:51:04 |