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

AB4UU

Expired

HARDTKE, EARL

Location: SAINT PETERSBURG, FL
Class: Amateur Extra
Granted: 2000-05-04
Expires: 2010-05-04
Previous call: KK4NU
FRN: 0002698579

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Vanity availability

Available

Available now

AB4UU cleared its 2-year hold on 2014-05-03. Eligible for vanity application.

Last held by HARDTKE, EARL (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

KK4NU
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 AB4

All →

AB4LC AL · 2026-09-14
AB4BH NC · 2027-01-14
AB4NH TN · 2027-01-17
AB4RM FL · 2027-02-15
AB4N TN · 2027-03-21

Full history → Vanity availability → Callsign genealogy →