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

KJ4PX callsign genealogy

Currently held by ELKINS, JAMES B

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 KJ4PX's current licensee, walking backwards.

  1. AJ4PPcancelled· E
    ELKINS, JAMES BTNgranted 2008-07-29cancelled 2009-05-05
  2. KJ4FMWcancelled· E
    ELKINS, JAMES BTNgranted 2008-07-29cancelled 2009-04-14

Successor callsigns

Callsigns held now by people who previously held KJ4PX.

  1. K4UBMexpired· E
    VERGESON, CHARLESFLgranted 2009-08-08cancelled 2020-12-18

All historical holders

Every license row we've seen with the callsign KJ4PX, oldest first.

  • ELKINS, JAMES B TN
    2019-04-09 active
  • VERGESON, CHARLES
    — → cancelled 1998-12-17
← Back to KJ4PX License history →