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

KI7DUJ

Cancelled

Kostyun, Frank M

Location: Phoenix, AZ
Class: Technician
Granted: 2016-04-26
Expires: 2026-04-26
FRN: 0025500620

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Vanity availability

Available

Available now

KI7DUJ cleared its 2-year hold on 2018-05-14. Eligible for vanity application.

Last held by Kostyun, Frank M (AZ).

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

K1FMKactive· G
Kostyun, Frank MAZgranted 2026-06-09

License history

0 events

No recorded events.

More vanity slots coming available

From Arizona

All →

AD7UU 2026-09-10
W7CWD 2026-09-10
KF7YNV 2026-09-13
KI7PHV 2026-09-13
KB7QBN 2026-09-14

Starting with KI7

All →

KI7PHV AZ · 2026-09-13
KI7VQQ OR · 2026-09-13
KI7GW WA · 2026-09-21
KI7HF AZ · 2026-09-28
KI7PPY AZ · 2026-09-28

Full history → Vanity availability → Callsign genealogy →