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Antenna Structure Registration

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ASR Online Systems
ASR Online Filing, ULS Online Filing (License Manager) are currently down. The remaining ULS/ASR applications are operating properly.
Determine if you pass slope calculations.

Notify Tribes and Historic Preservation Officers of your plans to build a tower.
New Users
To use the FCC Online Systems, you first need to register with the FCC.

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

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Find current ASR registrations.
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Find current ASR applications.
Downtime Schedule
10/25 6:00 AM - 10/25 11:00 AM
All Applications

Daily: 12 Midnight - 2 AM ET