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

KI4DAU

Cancelled

Heijmans, Michael L

Location: Hudson, FL
Class: Technician
Granted: 2003-11-20
Expires: 2013-11-20
FRN: 0009898693

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Vanity availability

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Available now

KI4DAU cleared its 2-year hold on 2006-09-08. Eligible for vanity application.

Last held by Heijmans, Michael 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

N4CDXactive· G
Heijmans, Michael LFLgranted 2024-08-20

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

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

Starting with KI4

All →

KI4ZDD TN · 2026-09-13
KI4TV TN · 2026-09-28
KI4HEY FL · 2026-10-08
KI4CUF FL · 2026-10-12
KI4IMK UT · 2026-11-16

Full history → Vanity availability → Callsign genealogy →