Confidence: Medium · Source: FCC ULS · As of 2026-09-09

W4ATT

Cancelled

CLAUSEN, DAVID A

Class: Amateur Extra

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Unknown

Status unknown

No vanity-slot record on file for W4ATT. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KG4YULcancelled· E
Shaw Jr, George AGAgranted 2003-03-07cancelled 2006-02-14

Prior holders later became

NN4TTactive· E
CLAUSEN, DAVID AFLgranted 2018-09-11

License history

0 events

No recorded events.

More vanity slots coming available

Starting with W4

All →

W4HKO FL · 2026-09-09
W4IDI AL · 2026-09-10
W4YAU TN · 2026-09-10
W4CVH VA · 2026-09-12
W4QDZ NC · 2026-09-13

Full history → Vanity availability → Callsign genealogy →