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

AJ4RK

Cancelled

KIRKPATRICK, JOHN R

Location: MOORE, SC
Class: Amateur Extra
Granted: 2006-06-17
Expires: 2016-06-17
Previous call: W4IKO
FRN: 0003982790

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Vanity availability

Available

Available now

AJ4RK cleared its 2-year hold on 2021-04-15. Eligible for vanity application.

Last held by KLINGER, ROBERT M (MI).

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

AJ6TWcancelled· E
KLINGER, ROBERT MMIgranted 2018-03-20cancelled 2018-05-18
W9BOBactive· G
Rutkowski, Robert FILgranted 2020-12-01
KD9QWOcancelled· G
Rutkowski, Robert FILgranted 2020-11-12cancelled 2020-12-01

Prior holders later became

WU2Tactive· E
KIRKPATRICK, JOHN RSCgranted 2022-08-20
AB2Aactive· E
Klinger, Robert MMIgranted 2019-04-16

License history

0 events

No recorded events.

More vanity slots coming available

From South Carolina

All →

KG4VBH 2026-09-12
KK4LOZ 2026-09-13
KK4LPA 2026-09-13
KK4LPE 2026-09-13
KQ4UXM 2026-09-14

Starting with AJ4

All →

AJ4IB KY · 2026-09-21
AJ4MH FL · 2027-02-04
AJ4EK KY · 2027-02-14
AJ4MD GA · 2027-04-03
AJ4BA FL · 2027-05-31

Full history → Vanity availability → Callsign genealogy →