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

AD0SU

Cancelled

DALKE, WILLIAM D

Location: AURORA, CO
Class: Amateur Extra
Granted: 2015-12-01
Expires: 2025-12-01
Previous call: K0KKJ
FRN: 0016353062

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Vanity availability

Available

Available now

AD0SU cleared its 2-year hold on 2024-09-23. Eligible for vanity application.

Last held by DALKE, WILLIAM D (CO).

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

K0KKJcancelled· E
DALKE, WILLIAM DCOgranted 2015-12-01cancelled 2016-02-29
KD0MKKcancelled· G
DALKE, WILLIAM DCOgranted 2010-07-15cancelled 2015-12-01

Prior holders later became

K0CEZactive· E
DALKE, WILLIAM DCOgranted 2022-09-24

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

K0RTS 2026-09-09
K7UGT 2026-09-09
W0RMH 2026-09-09
KB7PWB 2026-09-10
KF0RME 2026-09-10

Starting with AD0

All →

AD0BO CA · 2026-10-01
AD0CK MN · 2026-11-25
AD0PN MN · 2027-01-23
AD0DJ MN · 2027-02-28
AD0DU CO · 2027-04-28

Full history → Vanity availability → Callsign genealogy →