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Antenna Structure Registration

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ASR Releases

TOWAIR


10/27/2005
PUBLIC NOTICE (DA 05-2822)
New CORES Online Password Reset and ULS Call Sign/FRN Association Features Available September 26, 2005
11/19/2001
PUBLIC NOTICE (DA 01-2707)
The Maximum Size for Attachments Submitted via ULS and ASR is 10 MB
The WTB announces that all attachments submitted via ULS and ASR must be 10 megabytes or less.
5/9/2000
PUBLIC NOTICE (DA 00-1021)
WTB Implements ULS/ASR Filing via the Internet
Universal Licensing System (ULS) users filing applications or notifications may now file in ULS either by the Internet or direct dial-up, whichever is more convenient.
12/22/1999
PUBLIC NOTICE (DA 99-3003)
Enhanced TOWAIR Query Now Available
On-Line Program Now Allows Submission of NAD83 Coordinates for Antenna Structure Registration Clearance Check
5/26/1999
PUBLIC NOTICE
TOWAIR Query is Now Available for Free on the Internet
TOWAIR is the landing facility slope calculation program used to determine whether structures located near specified airports must be registered with the Commission.
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Last reviewed/updated on
10/27/2005.