Confidence: Medium · Source: FCC ULS · As of 2026-09-10

AC9GZ

Cancelled

Costello, William M

Location: Bannockburn, IL
Class: Amateur Extra
Granted: 2013-11-25
Expires: 2023-11-25
FRN: 0023165145

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Vanity availability

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AC9GZ cleared its 2-year hold on 2015-12-14. Eligible for vanity application.

Last held by Costello, William M (IL).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

KU9Nexpired· E
Costello, William MILgranted 2013-12-14cancelled 2026-03-07

License history

0 events

No recorded events.

More vanity slots coming available

From Illinois

All →

K9CYV 2026-09-10
KC9WOC 2026-09-10
KD9YXS 2026-09-10
KE9BGG 2026-09-10
KC9CJI 2026-09-11

Starting with AC9

All →

AC9VZ WI · 2026-09-28
AC9DG IL · 2026-10-03
AC9DH IN · 2026-10-08
AC9OL WI · 2026-10-16
AC9DT MO · 2026-12-03

Full history → Vanity availability → Callsign genealogy →