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

AD4YK

Expired

Ritter, William D

Location: Phenix City, AL
Class: Amateur Extra
Granted: 2014-02-19
Expires: 2024-04-05
Previous call: KR4QJ
FRN: 0010215564

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Vanity availability

568d

Available on 2028-04-04

AD4YK expired on 2024-04-05. Hold ends in 568 days.

Last held by Ritter, William D (AL).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

KR4QJ
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Alabama

All →

AB4LC 2026-09-14
KQ4UXO 2026-09-14
KC0OBW 2026-09-16
KK4LPM 2026-09-16
W4CKI 2026-09-17

Starting with AD4

All →

AD4ED GA · 2026-12-03
AD4XA SC · 2027-02-01
AD4WN NC · 2027-03-01
AD4EE FL · 2027-03-11
AD4BT NC · 2027-03-15

Full history → Vanity availability → Callsign genealogy →