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

AB9U

Active

WARREN, WILLIAM E

Location: Cottonwood, AZ
Class: Amateur Extra
Granted: 2020-09-30
Expires: 2030-12-27
Previous call: AD6IA
FRN: 0001781871

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Vanity availability

Held

Currently held

AB9U is held by an active license; it isn't a vanity slot right now.

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

AD6IAcancelled· E
WARREN, WILLIAM ECAgranted 1999-03-05cancelled 2000-12-27
KQ6ZNcancelled· A
WARREN, WILLIAM Ecancelled 1999-03-05

License history

0 events

No recorded events.

More vanity slots coming available

From Arizona

All →

K7JVC 2026-09-09
N0PSA 2026-09-09
AD7UU 2026-09-10
W7CWD 2026-09-10
KF7YNV 2026-09-13

Starting with AB9

All →

AB9PU IN · 2027-01-28
AB9JF IN · 2027-02-28
AB9LH IN · 2027-03-15
AB9IT WI · 2027-04-07
AB9XP IL · 2027-04-26

Full history → Vanity availability → Callsign genealogy →