uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AC6FJ callsign genealogy

Currently held by SETTERLUND, JOHN 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 AC6FJ's current licensee, walking backwards.

  1. KE6RXXactive· T
    Setterlund, Kimberly ACAgranted 2018-09-07
  2. KM6SGJcancelled· T
    Setterlund, Kimberly ACAgranted 2018-04-19cancelled 2018-09-07

Successor callsigns

Callsigns held now by people who previously held AC6FJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AC6FJ, oldest first.

  • Wendt, William D CA
    2004-02-13 → cancelled 2016-05-04
  • SETTERLUND, JOHN M CA
    2026-07-25 active