Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KS4VO

Expired

OSBORN, HAROLD E

Location: NAPLES, FL
Class: Advanced
Granted: 2012-02-08
Expires: 2022-04-07
Previous call: KD4KNP
FRN: 0002182533

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Vanity availability

Available

Available now

KS4VO cleared its 2-year hold on 2026-04-06. Eligible for vanity application.

Last held by OSBORN, HAROLD E (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

KD4KNP
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

AC4VP 2026-09-14
KB2AID 2026-09-14
KD4SXH 2026-09-14
KD4SXQ 2026-09-14
KE4EYE 2026-09-14

Starting with KS4

All →

KS4FNA OH · 2026-11-23
KS4DS FL · 2027-01-02
KS4AS GA · 2027-01-04
KS4QU FL · 2027-01-18
KS4DO VA · 2027-03-04

Full history → Vanity availability → Callsign genealogy →