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

KS4DU

Cancelled

KORNACKI, JAMES W

Location: Mackay, ID
Class: Amateur Extra
Granted: 2002-12-19
Expires: 2013-02-16
Previous call: KD4WYS
FRN: 0003629078

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Vanity availability

Available

Available now

KS4DU cleared its 2-year hold on 2010-05-06. Eligible for vanity application.

Last held by KORNACKI, JAMES W (ID).

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

KD4WYS
no FCC ULS record on file

Prior holders later became

KG7Eactive· E
KORNACKI, JAMES WIDgranted 2018-02-09

License history

0 events

No recorded events.

More vanity slots coming available

From Idaho

All →

KK7LVT 2026-09-10
KF5RYE 2026-09-11
KF7YNS 2026-09-13
KF7YNT 2026-09-13
KJ7KTP 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 →