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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N7ZGO callsign genealogy

Currently held by ARNOLD, MICHAEL C

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 N7ZGO's current licensee, walking backwards.

  1. W7MCAcancelled· G
    ARNOLD, MICHAEL CCOgranted 2023-11-22cancelled 2025-08-26
  2. KD0TNCcancelled· G
    ARNOLD, MICHAEL CCOgranted 2012-10-30cancelled 2013-02-16

Successor callsigns

Callsigns held now by people who previously held N7ZGO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N7ZGO, oldest first.

  • ARNOLD, DWIGHT M AZ
    2012-04-13 → cancelled 2024-06-25
  • ARNOLD, MICHAEL C CO
    2025-08-26 active