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

KI4USX

Cancelled

Humelsine, Mary W

Location: Islamorada, FL
Class: General
Granted: 2007-03-27
Expires: 2017-03-27
FRN: 0016205411

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Available

Available now

KI4USX cleared its 2-year hold on 2009-04-19. Eligible for vanity application.

Last held by Humelsine, Mary W (FL).

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

K4USXactive· G
Humelsine, Mary WFLgranted 2018-01-24

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with KI4

All →

KI4ZDD TN · 2026-09-13
KI4TV TN · 2026-09-28
KI4HEY FL · 2026-10-08
KI4CUF FL · 2026-10-12
KI4IMK UT · 2026-11-16

Full history → Vanity availability → Callsign genealogy →