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

AC3IO callsign genealogy

Currently held by RUSH, DAVID P

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 AC3IO's current licensee, walking backwards.

  1. AC3INcancelled· E
    RUSH, DAVID PPAgranted 2013-05-03cancelled 2022-03-11
  2. WK3Ractive· E
    RUSH, DAVID PPAgranted 2022-05-03
  3. AI3DRcancelled· E
    RUSH, DAVID PPAgranted 2022-04-05cancelled 2022-05-03

Successor callsigns

Callsigns held now by people who previously held AC3IO.

  1. AI3DRcancelled· E
    RUSH, DAVID PPAgranted 2022-04-05cancelled 2022-05-03
← Back to AC3IO License history →