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

NU5X callsign genealogy

Currently held by MICHAEL III, JOHN F

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 NU5X's current licensee, walking backwards.

  1. AE5ANcancelled· E
    MICHAEL III, JOHN FARgranted 2018-11-02cancelled 2023-03-28
  2. KQ8Xactive· E
    Roeber, Jonathan BGAgranted 2020-11-21
  3. KW4NRcancelled· E
    Roeber, Jonathan BGAgranted 2011-12-13cancelled 2020-11-21
  4. KK4FRHcancelled· E
    Roeber, Jonathan BGAgranted 2011-12-13cancelled 2015-10-27

Successor callsigns

Callsigns held now by people who previously held NU5X.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NU5X, oldest first.

  • BELLINGER, JAMES H AR
    2011-01-04 → cancelled 2023-03-07
  • MICHAEL III, JOHN F AR
    2023-03-28 active