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

ND6C callsign genealogy

Currently held by ACKERMAN, MATTHEW L

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 ND6C's current licensee, walking backwards.

  1. NM0Kactive· E
    Anthony, Michael AALgranted 2018-01-09
  2. KN4FNDcancelled· E
    Anthony, Michael AALgranted 2017-08-24cancelled 2018-01-09

Successor callsigns

Callsigns held now by people who previously held ND6C.

  1. N6ACKactive· E
    ACKERMAN, MATTHEW LCAgranted 2023-09-07

All historical holders

Every license row we've seen with the callsign ND6C, oldest first.

  • HAMILTON, LEROY H AR
    2000-10-28 → cancelled 2013-01-23
  • ACKERMAN, MATTHEW L CA
    2013-02-12 → cancelled 2013-11-30
  • Cheng, Andy R CA
    2025-11-25 active