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

W9MBM callsign genealogy

Currently held by MOHLER, MICHAEL B

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 W9MBM's current licensee, walking backwards.

  1. W7MBMcancelled· E
    MOHLER, MICHAEL BWIgranted 2006-10-11cancelled 2009-01-31
  2. KC9HXOcancelled· E
    MOHLER, MICHAEL BMTgranted 2005-07-18cancelled 2006-10-11

Successor callsigns

Callsigns held now by people who previously held W9MBM.

No current licensee on record previously held this callsign.