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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

WW4MF callsign genealogy

Currently held by FANCHER, MARK R

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 WW4MF's current licensee, walking backwards.

  1. WO9Gactive· E
    SCHWAB, ALAN RINgranted 2020-04-04
  2. KB9REUcancelled· E
    SCHWAB, ALAN RINgranted 2017-04-25cancelled 2020-04-04

Successor callsigns

Callsigns held now by people who previously held WW4MF.

  1. AA4MFactive· E
    FANCHER, MARK RKYgranted 2021-07-08
← Back to WW4MF License history →