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

KS4OA

Cancelled

KEYS III, WILLIAM W

Location: FORT LAUDERDALE, FL
Class: Amateur Extra
Granted: 1995-02-09
Expires: 2001-05-07
FRN: 0003136074

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Vanity availability

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Available now

KS4OA cleared its 2-year hold on 2002-08-15. Eligible for vanity application.

Last held by KEYS III, WILLIAM W (FL).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

AA4BKcancelled· E
KEYS III, WILLIAM WFLgranted 2000-08-15cancelled 2000-12-30

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

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Starting with KS4

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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 →