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

KB9ZRX

Cancelled

Madigan, John

Location: Ballwin, MO
Class: Amateur Extra
Granted: 2001-05-21
Expires: 2011-05-21
FRN: 0005314422

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Vanity availability

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Available now

KB9ZRX cleared its 2-year hold on 2009-03-08. Eligible for vanity application.

Last held by Madigan, John (MO).

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

AC0GPactive· E
Madigan, JohnMOgranted 2021-03-01

License history

0 events

No recorded events.

More vanity slots coming available

From Missouri

All →

KD0TBI 2026-09-11
KD0TBJ 2026-09-11
KD0TBK 2026-09-11
KD0TBL 2026-09-11
KD0TBM 2026-09-11

Starting with KB9

All →

KB9LZK IN · 2026-09-10
KB9VE IN · 2026-09-14
KB9AYV IN · 2026-09-21
KB9FHA WI · 2026-09-27
KB9CMF WI · 2026-09-28

Full history → Vanity availability → Callsign genealogy →