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

K4ULL

Cancelled

PETRAKIS, THOMAS K

Location: AUBURN, WA
Class: Amateur Extra
Granted: 2018-02-06
Expires: 2028-04-18
Previous call: KE4ULL
FRN: 0004303624

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Vanity availability

Available

Available now

K4ULL cleared its 2-year hold on 2020-12-27. Eligible for vanity application.

Last held by PETRAKIS, THOMAS K (WA).

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

KE4ULLcancelled· G
Petrakis, Thomas KNVgranted 2004-10-19cancelled 2008-04-18

Prior holders later became

AE7TPactive· E
PETRAKIS, THOMAS KOKgranted 2018-12-28

License history

0 events

No recorded events.

More vanity slots coming available

From Washington

All →

KJ7SVP 2026-09-10
KK7SYB 2026-09-10
KK7UYR 2026-09-10
KK7UYZ 2026-09-10
KK7UZM 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 →