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

AF6KJ callsign genealogy

Currently held by Bollacker, Kurt D

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 AF6KJ's current licensee, walking backwards.

  1. KJ0DVAcancelled· E
    Williams, Kjerstin ICAgranted 2010-05-25cancelled 2012-03-13
  2. KJ6HQWcancelled· T
    Williams, Kjerstin ICAgranted 2010-05-05cancelled 2010-05-25

Successor callsigns

Callsigns held now by people who previously held AF6KJ.

  1. KB8Pactive· E
    Bollacker, Kurt DCAgranted 2018-05-10

All historical holders

Every license row we've seen with the callsign AF6KJ, oldest first.

  • Bollacker, Kurt D CA
    2008-01-22 → cancelled 2008-07-15
  • Williams, Kjerstin I CA
    2012-03-13 → cancelled 2024-03-14