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

NM9B callsign genealogy

Currently held by Bockeloh, James 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 NM9B's current licensee, walking backwards.

  1. AC9CEcancelled· E
    Bockeloh, James AWIgranted 2012-04-02cancelled 2012-05-19
  2. KC9VTAcancelled· E
    Bockeloh, James AWIgranted 2012-04-02cancelled 2012-04-30

Successor callsigns

Callsigns held now by people who previously held NM9B.

  1. WM4RBactive· E
    Bishop, Michael RTNgranted 2017-05-31

All historical holders

Every license row we've seen with the callsign NM9B, oldest first.

  • Bishop, Michael R TN
    2005-08-19 → cancelled 2007-08-18
  • Bockeloh, James A WI
    2022-03-12 active
← Back to NM9B License history →