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

When does KB1ZUI become available?

Currently associated with Umbricht, Michael L

Vanity availability

Available

Available now

KB1ZUI cleared its 2-year hold on 2015-05-18. Eligible for vanity application.

Last held by Umbricht, Michael L (RI).

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.

← Back to KB1ZUI Full license history → Browse all available callsigns →