Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KC4SZ

Cancelled

ZAWACKI, STEPHEN J

Location: The Villages, FL
Class: Advanced
Granted: 2020-06-20
Expires: 2030-06-20
Previous call: W4SJZ
FRN: 0008707564

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Vanity availability

Available

Available now

KC4SZ cleared its 2-year hold on 2025-10-12. Eligible for vanity application.

Last held by ZAWACKI, STEPHEN J (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 →

Previously held by current licensee

W4SJZactive· A
ZAWACKI, STEPHEN JFLgranted 2023-10-13

Prior holders later became

W4SJZactive· A
ZAWACKI, STEPHEN JFLgranted 2023-10-13

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KD4SPY 2026-09-11
KK4LOA 2026-09-11
KB1HYE 2026-09-12
KO4UTL 2026-09-13
KQ4RHZ 2026-09-13

Starting with KC4

All →

KC4GIL NJ · 2026-09-14
KC4HTM SC · 2026-09-20
KC4OYJ FL · 2026-09-21
KC4SWK KY · 2026-09-21
KC4ZGF AL · 2026-09-21

Full history → Vanity availability → Callsign genealogy →