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

W4ZKK

Cancelled

TROLINGER, JOHN D

Location: Ingram, TX
Class: General
Granted: 2001-03-16
Expires: 2011-03-16
Previous call: N3ZKK
FRN: 0003893633

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Vanity availability

Available

Available now

W4ZKK cleared its 2-year hold on 2006-06-29. Eligible for vanity application.

Last held by TROLINGER, JOHN D (TX).

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

N3ZKKcancelled· G
TROLINGER, JOHN DMDgranted 1998-08-27cancelled 2001-03-16

Prior holders later became

N5ZKKactive· E
TROLINGER, JOHN DTXgranted 2024-05-25

License history

0 events

No recorded events.

More vanity slots coming available

From Texas

All →

KF5RYH 2026-09-11
KF5RYM 2026-09-11
N5XCW 2026-09-11
KB5VBY 2026-09-12
KD5TVH 2026-09-12

Starting with W4

All →

W4CVH VA · 2026-09-12
W4QDZ NC · 2026-09-13
W4CKI AL · 2026-09-17
W4UKX SC · 2026-09-17
W4BRN AL · 2026-09-20

Full history → Vanity availability → Callsign genealogy →