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

AD4SX callsign genealogy

Currently held by CONVERSE, KEN J

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 AD4SX's current licensee, walking backwards.

  1. N4GWactive· E
    CHRISTIANSEN, JAMES MFLgranted 2017-04-12
  2. N9VGactive· E
    MCINTYRE, ROBERT JWAgranted 2019-08-07
  3. KF7AVOcancelled· E
    MCINTYRE, ROBERT JWAgranted 2009-03-11cancelled 2009-08-11

Successor callsigns

Callsigns held now by people who previously held AD4SX.

  1. N4GWcancelled· E
    CONVERSE mr, KEN JVAgranted 2002-02-27cancelled 2005-05-13

All historical holders

Every license row we've seen with the callsign AD4SX, oldest first.

  • CONVERSE, KEN J VA
    1994-07-08 → cancelled 2002-02-27
  • CONVERSE, KEN J FL
    2015-04-23 active