Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KO4STK

Cancelled

Eichorn, Robert D

Location: Charlotte, NC
Class: General
Granted: 2021-08-23
Expires: 2031-08-23
FRN: 0031257223

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Vanity availability

Available

Available now

KO4STK cleared its 2-year hold on 2023-11-23. Eligible for vanity application.

Last held by Eichorn, Robert D (NC).

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

W5IKEactive· G
Eichorn, RobertNCgranted 2021-11-23

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KG4ULQ 2026-09-11
KG4VAK 2026-09-11
KG4VAL 2026-09-11
KG4VAO 2026-09-11
KG4VAP 2026-09-11

Starting with KO4

All →

KO4UTL FL · 2026-09-13
KO4PTL KY · 2026-09-17
KO4OSB VA · 2026-09-21
KO4TMC FL · 2026-09-21
KO4YVJ FL · 2026-09-24

Full history → Vanity availability → Callsign genealogy →