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

KF0MJB

Active

Birmingham, Michael J

Location: Denver, CO
Class: Amateur Extra
Granted: 2020-12-11
Expires: 2030-12-11
Previous call: KF0CLU
FRN: 0030166631

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Vanity availability

Held

Currently held

KF0MJB is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KF0CLUcancelled· T
Birmingham, Michael JCOgranted 2020-11-16cancelled 2020-12-11

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 KF0

All →

KF0RME CO · 2026-09-10
KF0RLS CO · 2026-09-13
KF0INO CO · 2026-09-14
KF0KSQ ND · 2026-09-17
KF0NVL MO · 2026-09-17

Full history → Vanity availability → Callsign genealogy →