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

KS4VT

Cancelled

FILLA, MARK L

Location: BOCA RATON, FL
Class: Amateur Extra
Granted: 2013-01-24
Expires: 2023-04-13
FRN: 0004136172

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Vanity availability

Available

Available now

KS4VT cleared its 2-year hold on 2018-09-30. Eligible for vanity application.

Last held by FILLA, MARK L (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

N4DESactive· E
FILLA, MARK LFLgranted 2026-08-06

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 KS4

All →

KS4FNA OH · 2026-11-23
KS4DS FL · 2027-01-02
KS4AS GA · 2027-01-04
KS4QU FL · 2027-01-18
KS4DO VA · 2027-03-04

Full history → Vanity availability → Callsign genealogy →