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

AI5DO

Cancelled

WALTER JR, ROBERT H

Location: STILLWATER, OK
Class: Amateur Extra
Granted: 2021-03-26
Expires: 2031-03-26
Previous call: K5RHW
FRN: 0030628846

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Vanity availability

Available

Available now

AI5DO cleared its 2-year hold on 2023-05-29. Eligible for vanity application.

Last held by WALTER JR, ROBERT H (OK).

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

K5RHWcancelled· E
WALTER JR, ROBERT HOKgranted 2021-03-26cancelled 2021-05-07
KI5OJEcancelled· G
WALTER JR, ROBERT HOKgranted 2021-03-03cancelled 2021-03-26

Prior holders later became

WZ5WZactive· E
WALTER JR, ROBERT HOKgranted 2021-05-29

License history

0 events

No recorded events.

More vanity slots coming available

From Oklahoma

All →

KF5RYN 2026-09-11
KF5RYO 2026-09-11
KJ5HQD 2026-09-13
KJ5GCN 2026-09-17
KJ5HLG 2026-09-17

Starting with AI5

All →

AI5SX TX · 2026-09-28
AI5RA ME · 2026-09-30
AI5SC AR · 2026-10-01
AI5QH MA · 2026-10-08
AI5SZ TX · 2026-10-08

Full history → Vanity availability → Callsign genealogy →