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

KN4MNL

Cancelled

Costello, Thomas F

Location: Rotonda West, FL
Class: Technician
Granted: 2018-05-23
Expires: 2028-05-23
FRN: 0027557966

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Vanity availability

Available

Available now

KN4MNL cleared its 2-year hold on 2020-06-18. Eligible for vanity application.

Last held by Costello, Thomas F (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

KB2GSWactive· T
Costello, ThomasFLgranted 2018-06-19

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with KN4

All →

KN4ZVG FL · 2026-09-17
KN4LGK GA · 2026-09-21
KN4VXC NC · 2026-09-21
KN4RPM VA · 2026-10-07
KN4GAM GA · 2026-10-12

Full history → Vanity availability → Callsign genealogy →