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

AD0MM

Cancelled

Madsen, Christopher R

Location: Colorado Springs, CO
Class: Amateur Extra
Granted: 2014-12-24
Expires: 2024-12-24
FRN: 0018579987

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Vanity availability

Available

Available now

AD0MM cleared its 2-year hold on 2025-03-12. Eligible for vanity application.

Last held by Madsen, Christopher R (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 →

Prior holders later became

KN0Eactive· E
Madsen, Christopher RCOgranted 2023-03-13

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

KB7PWB 2026-09-10
KF0RME 2026-09-10
KD0TBG 2026-09-11
KD0TBU 2026-09-11
KD0TBW 2026-09-11

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 →