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

AB6LL callsign genealogy

Currently held by JUHL SR, CONRAD G

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 AB6LL's current licensee, walking backwards.

  1. AI6WXcancelled· E
    Baumgartner, William DCAgranted 2017-04-10cancelled 2017-06-23
  2. KM6JVQcancelled· E
    Baumgartner, William DCAgranted 2017-04-10cancelled 2017-05-09

Successor callsigns

Callsigns held now by people who previously held AB6LL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB6LL, oldest first.

  • JUHL SR, CONRAD G CA
    1992-06-02 → cancelled 2004-06-03
  • Baumgartner, William D CA
    2017-06-23 active