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

N1SOC callsign genealogy

Currently held by ADAMS, WILLIAM M

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 N1SOC's current licensee, walking backwards.

  1. KE9DMUcancelled
    HAMS Serving Our Communities IncINgranted 2025-06-12cancelled 2025-08-02

Successor callsigns

Callsigns held now by people who previously held N1SOC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N1SOC, oldest first.

  • ADAMS, WILLIAM M MA
    1994-07-15 → cancelled 2006-07-18
  • HAMS Serving Our Communities Inc IN
    2025-08-02 active