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

KO4WSL

Cancelled

Kruszewski SR, Buck R

Location: Eight Mile, AL
Class: Amateur Extra
Granted: 2022-02-14
Expires: 2032-02-14
FRN: 0031924004

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Vanity availability

137d

Available on 2027-01-25

KO4WSL cancelled on 2025-01-25. Hold ends in 137 days.

Last held by Kruszewski SR, Buck R (AL).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Prior holders later became

KO4BRcancelled· E
Kruszewski SR, Buck RALgranted 2025-01-25cancelled 2026-06-19

License history

0 events

No recorded events.

More vanity slots coming available

From Alabama

KG4SUF 2026-09-10
KQ4TEB 2026-09-10
KQ4UQY 2026-09-10
KQ4UVF 2026-09-10
KZ4KU 2026-09-10

Starting with KO4

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 →