Confidence: Medium · Source: FCC ULS · As of 2026-09-11

K4IYB

Cancelled

CRASS, LEON

Location: Crown Point, IN
Class: Amateur Extra
Granted: 2019-12-31
Expires: 2029-12-31
Previous call: W9IYB
FRN: 0013812789

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Vanity availability

Available

Available now

K4IYB cleared its 2-year hold on 2025-11-09. Eligible for vanity application.

Last held by CRASS, LEON (IN).

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

W9IYBcancelled· E
CRASS, LEONTNgranted 2015-10-28cancelled 2019-12-31

Prior holders later became

K9IYBactive· E
CRASS, LEONINgranted 2023-11-10

License history

0 events

No recorded events.

More vanity slots coming available

From Indiana

All →

N9OSM 2026-09-11
KC9WOK 2026-09-13
KC9WOL 2026-09-13
KD9UMZ 2026-09-13
KE9BEV 2026-09-13

Starting with K4

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K4MBH TN · 2026-09-16
K4THL FL · 2026-09-16
K4PTK TN · 2026-09-20

Full history → Vanity availability → Callsign genealogy →