Confidence: Medium · Source: FCC ULS · As of 2026-09-16

KI4OIU

Expired

Speiser Jr, Joseph C

Location: Jacksonville, FL
Class: Technician
Granted: 2014-08-05
Expires: 2024-08-05
Previous call: KJ4IXW
FRN: 0018426346

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Vanity availability

687d

Available on 2028-08-04

KI4OIU expired on 2024-08-05. Hold ends in 687 days.

Last held by Speiser Jr, Joseph C (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

KJ4IXWcancelled· T
Speiser Jr, Joseph CFLgranted 2009-01-16cancelled 2014-08-05

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KN4ZVG 2026-09-17
KQ4ISF 2026-09-17
KQ4UHV 2026-09-17
KQ4UYN 2026-09-17
N9BG 2026-09-17

Starting with KI4

All →

KI4TV TN · 2026-09-28
KI4HEY FL · 2026-10-08
KI4CUF FL · 2026-10-12
KI4IMK UT · 2026-11-16
KI4OR TN · 2026-11-19

Full history → Vanity availability → Callsign genealogy →