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

KY4SU

Cancelled

Gerlinger Jr, Louis

Location: CLERMONT, FL
Class: Amateur Extra
Granted: 2022-11-04
Expires: 2032-11-04
FRN: 0026702092

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Vanity availability

647d

Available on 2028-06-18

KY4SU cancelled on 2026-06-19. Hold ends in 647 days.

Last held by Gerlinger Jr, Louis (FL).

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

KO4Hactive· E
Gerlinger Jr, LouisFLgranted 2026-06-19

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with KY4

KY4MAC TN · 2026-10-11
KY4KF NC · 2026-11-30
KY4ZL KY · 2026-12-06
KY4UH GA · 2026-12-21
KY4EOD KY · 2027-02-11

Full history → Vanity availability → Callsign genealogy →