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Universal Licensing System

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Databases

The Universal Licensing System (ULS) database downloads for specific wireless radio services are available as zip files and are updated weekly. To stay abreast of the daily changes to the databases, you may also download daily transaction files.

NOTE: The 800 MHz Vacated Spectrum Files are not updated on a daily or weekly basis. Look for Public Notices regarding file availability updates.

Some of the database files are very large.

Universal Licensing System (ULS) also provides daily transactions files to these databases.

If you have any comments or questions about this information, please contact Technical Support.

Database Documentation

Antenna Structure Registration Documentation

Ownership Documentation

800 MHz Vacated Spectrum Documentation

Unlicensed Wireless Microphone Registration

Database Downloads
File Size Created
800 MHz Vacated Spectrum
Site Based 5.28 MB 7/1/2019
Market Based 0.22 MB 7/1/2019
Aircraft - 47 CFR Part 87
Applications 18 MB 8/2/2020
Licenses 12.16 MB 8/3/2020
Amateur Radio Service
Applications 279.19 MB 8/1/2020
Licenses 146.85 MB 8/2/2020
Antenna Structure Registration
Applications 190.82 MB 8/2/2020
Registrations 36.68 MB 8/2/2020
FAA Determinations 40.06 MB 8/2/2020
Airport Facilities - 47 CFR Part 17
Runways 2.98 MB 5/23/2019
Airports 1.38 MB 5/23/2019
Assignments and Transfers
Applications 29.44 MB 8/2/2020
BRS & EBS (Formerly known as MDS/ITFS)
Applications 7.36 MB 8/2/2020
Licenses 4.44 MB 8/3/2020
Cellular - 47 CFR Part 22
Applications 28.97 MB 8/2/2020
Licenses 12.26 MB 8/3/2020
Commercial Radio and Restricted Radiotelephone - FRC
Applications 50.76 MB 8/2/2020
Licenses 45.3 MB 8/3/2020
General Mobile Radio Service (GMRS)
Applications 36.15 MB 8/2/2020
Licenses 20.12 MB 8/3/2020
Land Mobile - Private
Applications 543.33 MB 8/1/2020
Licenses 351.95 MB 8/2/2020
Land Mobile - Commercial
Applications 232.28 MB 8/1/2020
Licenses 76.63 MB 8/2/2020
Land Mobile - Broadcast Auxiliary
Applications 3.64 MB 8/1/2020
Licenses 6.33 MB 8/2/2020
Maritime Coast & Aviation Ground
Applications 14.45 MB 8/2/2020
Licenses 8.78 MB 8/3/2020
MDS/ITFS: (Now known as BRS & EBS)
See BRS & EBS
Market Based Services
Applications 23.07 MB 8/2/2020
Licenses 60.85 MB 8/2/2020
Microwave - 47 CFR Parts 74 and 101, and 3650 - 3700 MHz
Applications 294.36 MB 8/2/2020
Licenses 142.38 MB 8/2/2020
Ownership
Filings 4.54 MB 8/2/2020
Paging - 47 CFR Part 22
Applications 5.08 MB 8/2/2020
Licenses 4.52 MB 8/3/2020
Ship Radio Service - 47 CFR Part 80
Applications 24.2 MB 8/2/2020
Licenses 33.69 MB 8/3/2020
Spectrum Leasing
Form 603-T Applications 0.15 MB 8/2/2020
Form 608 Applications 15.03 MB 8/2/2020
Unlicensed Wireless Microphone Registration
Form 612 Applications 0.02 MB 8/2/2020

Last reviewed/updated on 04/12/2021.