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

K4MUK

Cancelled

Williams, James A

Location: Knoxville, TN
Class: Amateur Extra
Granted: 1999-01-28
Expires: 2009-01-28
Previous call: KC4HOV
FRN: 0003917309

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Vanity availability

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Available now

K4MUK cleared its 2-year hold on 2008-12-14. Eligible for vanity application.

Last held by Williams, James A (TN).

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

KC4HOVcancelled
cancelled 1999-01-28

Prior holders later became

WB4BQDactive· E
Williams, James ATNgranted 2016-11-15

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with K4

All →

K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10
K4KLP TN · 2026-09-13

Full history → Vanity availability → Callsign genealogy →