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

KI4SDU

Cancelled

Howse, Douglas J

Location: Merritt Island, FL
Class: Technician
Granted: 2006-11-16
Expires: 2016-11-16
FRN: 0015735889

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

Vanity availability

Available

Available now

KI4SDU cleared its 2-year hold on 2008-12-04. Eligible for vanity application.

Last held by Howse, Douglas J (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

WF4DJHcancelled· E
Howse, Douglas JFLgranted 2006-12-05cancelled 2007-12-01

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

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 →