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              Wireless
              Data

  Public Access Files - Database Downloads Data
      

          
        Public Access Updates
                Daily and Weekly Public Access Files
                Public Access DocumentationThe Universal Licensing System (ULS) and Antenna System Registration (ASR) databases offer public access downloads for specific wireless radio services.These downloads are available as zip files in both weekly transactions and in a six day sequence of transactions (daily).**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.*Database Documentation for Public Access FilesULSDocument
                  Introduction to ULS public access database files

(updated 11/12/2014)Document
                  ULS Code Definitions

(updated 02/15/2024)Document
                  Table Abbreviations and Names

(updated 02/15/2024)Plain text iconSpecial Conditions Code(updated 3/29/2021)Document
                  ULS Database Definitions SQL

(effective 02/15/2024)Document
                  ULS Database Field Definitions

(effective 02/15/2024)Document
                  auction_freq_tbl_04222008.txt

(updated 4/22/2008)Document
                  Auction Frequency Table SQL

(added 2/19/2003)ASRDocument
                  Introduction to ASR public access database filesDocument
                  Database Field Definitions

(.xls) (updated 2/12/2019)Document
                  asr_sql_table_definitions_3.txt

(updated 2/12/2019)Document
                  Code definitions for table data elementsOther DatabasesOwnershipDocument
                  Database documentationDocument
                  Data File & Code Definitions

(updated 10/15/2007)Document
                  SQL Data Definitions

(updated 10/15/2007)800 MHz Vacated SpectrumDocument
                  Introduction to the Vacated Spectrum public access filesDocument
                  Data File & Code Definitions

(updated 4/17/2014)Document
                  SQL Data Definitions

(updated 4/17/2014)Unlicensed Wireless Microphone RegistrationDocument
                  Introduction to the Unlicensed Wireless Microphone Registration public access filesDocument
                  SQL for Data Definitions

(effective 6/2/2012)For Questions and Support

        
        
                  **Bureau/Office:**
  Wireless Telecommunications
            
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    Licensing & RegistrationAntenna Structure Registration
                    Universal Licensing System
                       Data, Maps, ReportsData
            
                          **Updated:**
                Tuesday, May 16, 2023
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