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

AD4XO

Expired

HOWARD, LOWELL F

Location: DELRAY BEACH, FL
Class: Amateur Extra
Granted: 1994-09-29
Expires: 2004-09-29
Previous call: AI1O

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Vanity availability

Available

Available now

AD4XO cleared its 2-year hold on 2008-09-28. Eligible for vanity application.

Last held by HOWARD, LOWELL F (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

AI1Ocancelled· E
Bither, Peter ANJgranted 2018-04-10cancelled 2026-05-30
KB1OGZcancelled· E
Bither, Peter AMEgranted 2006-12-18cancelled 2008-07-04

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with AD4

All →

AD4ED GA · 2026-12-03
AD4XA SC · 2027-02-01
AD4WN NC · 2027-03-01
AD4EE FL · 2027-03-11
AD4BT NC · 2027-03-15

Full history → Vanity availability → Callsign genealogy →