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

AA5F callsign genealogy

Currently held by BOOCKHOLDT, JAMES L

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 AA5F's current licensee, walking backwards.

  1. W0TFSactive· T
    Steele IV, Thomas FMNgranted 2016-05-06
  2. N0AVYactive· G
    Friedel, MatthewSCgranted 2018-08-24
  3. KC3JTHcancelled· T
    Friedel, MatthewMDgranted 2017-09-11cancelled 2018-08-24

Successor callsigns

Callsigns held now by people who previously held AA5F.

  1. N4ALactive· E
    Boockholdt, James LTXgranted 2019-02-21

All historical holders

Every license row we've seen with the callsign AA5F, oldest first.

  • Steele III, Thomas F MN
    2023-05-13 active
  • BOOCKHOLDT, JAMES L
    — → cancelled 1999-04-28
← Back to AA5F License history →