FCC Antenna Registration System (ASR): ASR Home

ASR Online Systems

All applications are operating properly.

Determine if you pass slope calculations.

Notify Tribes and Historic Preservation Officers of your plans to build a tower.

To use the FCC Online Systems, you first need to register with the FCC.

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Apply for a new registration, modify, cancel, associate ASR number(s) and more.

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Find current ASR registrations.

Find current ASR applications.

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Environmental Notification Process

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Downtime Schedule

No downtimes scheduled, with the exception of the Daily downtimes.

Daily: 12 Midnight - 2 AM ET

Federal Communications Commission

445 12th Street SW

Washington, DC 20554

Phone: 1-888-CALL-FCC (1-888-225-5322)

TTY: 1-888-TELL-FCC (1-888-835-5322)

Fax: 1-866-418-0232

Antenna Structure Registration