Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AC4UZ

Expired

MADRIGAL, MARIO

Location: MIAMI, FL
Class: Amateur Extra
Granted: 2012-07-25
Expires: 2022-09-01
Previous call: KQ4DB
FRN: 0007192123

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Vanity availability

Available

Available now

AC4UZ cleared its 2-year hold on 2026-08-31. Eligible for vanity application.

Last held by MADRIGAL, MARIO (FL).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

KQ4DB
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KO4UTL 2026-09-13
KQ4RHZ 2026-09-13
KQ4UWU 2026-09-13
KQ4UXF 2026-09-13
N1SSL 2026-09-13

Starting with AC4

All →

AC4VP FL · 2026-09-14
AC4UX CA · 2026-09-16
AC4SQ GA · 2026-09-19
AC4ZY TN · 2026-09-21
AC4FX TN · 2026-10-23

Full history → Vanity availability → Callsign genealogy →