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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K3OI callsign genealogy

Currently held by McCumber, Francine A

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by K3OI's current licensee, walking backwards.

  1. K3OWZexpired· G
    MARTIN, JOHN WPAgranted 2012-12-04cancelled 2024-12-04
  2. W4KYLactive· T
    HENDRIX, KYLE DGAgranted 2025-12-02
  3. KC4UUScancelled· T
    HENDRIX, KYLE DGAgranted 2001-04-18cancelled 2006-01-10

Successor callsigns

Callsigns held now by people who previously held K3OI.

No current licensee on record previously held this callsign.

← Back to K3OI License history →