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

AC3N callsign genealogy

Currently held by BLACKBURN, GAIL E

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 AC3N's current licensee, walking backwards.

  1. AC3HQcancelled· E
    Hoffman, Marc RMDgranted 2021-04-02cancelled 2021-07-17
  2. KC3RUAcancelled· E
    Hoffman, Marc RMDgranted 2021-04-02cancelled 2021-05-29

Successor callsigns

Callsigns held now by people who previously held AC3N.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AC3N, oldest first.

  • BLACKBURN, GAIL E PA
    2009-05-05 → cancelled 2021-06-29
  • Hoffman, Marc R MD
    2021-07-17 active
← Back to AC3N License history →