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

AB9TO

Active

ARMSTRONG, DEAN W

Location: CHICAGO, IL
Class: Amateur Extra
Granted: 2019-03-12
Expires: 2029-04-01
Previous call: KC9PLC
FRN: 0018657528

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Vanity availability

Held

Currently held

AB9TO 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

KC9PLCcancelled· G
Ortiz, Timothy PILgranted 2013-03-09cancelled 2014-06-14
KC9SHTcancelled· T
Ortiz, Timothy PILgranted 2010-05-06cancelled 2013-03-09

License history

0 events

No recorded events.

More vanity slots coming available

From Illinois

All →

N9QHC 2026-09-09
K9CYV 2026-09-10
KC9WOC 2026-09-10
KD9YXS 2026-09-10
KE9BGG 2026-09-10

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 →