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

KG4YSC

Cancelled

Williams, Jason K

Location: Colorado Springs, CO
Class: Amateur Extra
Granted: 2003-03-07
Expires: 2013-03-07
FRN: 0008520348

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Vanity availability

Available

Available now

KG4YSC cleared its 2-year hold on 2006-12-16. Eligible for vanity application.

Last held by Williams, Jason K (CO).

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

AC0BXactive· E
Williams, Jason KFLgranted 2023-01-06

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

K0RTS 2026-09-09
K7UGT 2026-09-09
W0RMH 2026-09-09
KB7PWB 2026-09-10
KF0RME 2026-09-10

Starting with KG4

All →

KG4UZU FL · 2026-09-09
KG4UZX FL · 2026-09-09
KG4JXE OR · 2026-09-10
KG4QXI FL · 2026-09-10
KG4RVV FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →