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

KX4UC

Cancelled

Jonink, Martin

Location: Lake Wylie, SC
Class: Amateur Extra
Granted: 2019-06-28
Expires: 2029-06-28
Previous call: KN4VLU
FRN: 0028608370

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Vanity availability

Available

Available now

KX4UC cleared its 2-year hold on 2022-01-23. Eligible for vanity application.

Last held by Jonink, Martin (SC).

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 →

Previously held by current licensee

KN4VLUcancelled· E
Jonink, MartinSCgranted 2019-06-28cancelled 2019-09-05

Prior holders later became

WM2Jactive· E
Jonink, MartinSCgranted 2020-01-24

License history

0 events

No recorded events.

More vanity slots coming available

From South Carolina

All →

KG4VBH 2026-09-12
KK4LOZ 2026-09-13
KK4LPA 2026-09-13
KK4LPE 2026-09-13
KQ4UXM 2026-09-14

Starting with KX4

All →

KX4XK FL · 2026-10-15
KX4GL NC · 2026-10-25
KX4RAT KY · 2026-11-05
KX4TD GA · 2026-11-30
KX4ARC TN · 2026-12-10

Full history → Vanity availability → Callsign genealogy →