Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KO4CZM

Cancelled

DeSousa, Luis

Location: WEST PALM BCH, FL
Class: General
Granted: 2013-12-11
Expires: 2023-12-11
Previous call: WH6EIR
FRN: 0020076907

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Vanity availability

Available

Available now

KO4CZM cleared its 2-year hold on 2022-05-15. Eligible for vanity application.

Last held by DeSousa, Luis (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

WH6EIRcancelled· T
DeSousa, LuisFLgranted 2013-12-11cancelled 2020-04-09

Prior holders later became

W4LDSactive· G
DeSousa, LuisFLgranted 2020-05-15

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 KO4

All →

KO4UTL FL · 2026-09-13
KO4PTL KY · 2026-09-17
KO4OSB VA · 2026-09-21
KO4TMC FL · 2026-09-21
KO4YVJ FL · 2026-09-24

Full history → Vanity availability → Callsign genealogy →