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

W2MBZ callsign genealogy

Currently held by DENMARK, BRUCE H

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 W2MBZ's current licensee, walking backwards.

  1. KD2EFKcancelled· E
    Welling Jr, Daniel JNYgranted 2013-06-03cancelled 2023-04-11

Successor callsigns

Callsigns held now by people who previously held W2MBZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W2MBZ, oldest first.

  • DENMARK, BRUCE H NY
    2010-06-10 → cancelled 2022-06-24
  • Welling Jr, Daniel J TN
    2023-04-11 active