Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AB4FW

Cancelled

FRIEDERICH, RUDOLF J

Location: KNOXVILLE, TN
Class: Amateur Extra
Granted: 2009-05-05
Expires: 2019-07-15
FRN: 0018754903

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Vanity availability

Available

Available now

AB4FW cleared its 2-year hold on 2015-11-09. Eligible for vanity application.

Last held by FRIEDERICH, RUDOLF J (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 →

Prior holders later became

KV4Jcancelled· E
FRIEDERICH, RUDOLF JTNgranted 2013-11-09cancelled 2024-02-11

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

K4KLP 2026-09-13
KI4ZDD 2026-09-13
KK4LOP 2026-09-13
KK4LPF 2026-09-13
KA2NLG 2026-09-14

Starting with AB4

All →

AB4LC AL · 2026-09-14
AB4BH NC · 2027-01-14
AB4NH TN · 2027-01-17
AB4RM FL · 2027-02-15
AB4N TN · 2027-03-21

Full history → Vanity availability → Callsign genealogy →