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

K3FL callsign genealogy

Currently held by LAUGERMANN, FRANZ J

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 K3FL's current licensee, walking backwards.

  1. AG5Iactive· E
    MILLS, DOUGLAS RMIgranted 2019-03-14
  2. KI4SNScancelled· E
    MILLS, DOUGLAS RFLgranted 2006-12-11cancelled 2009-03-07

Successor callsigns

Callsigns held now by people who previously held K3FL.

  1. AG5Icancelled· E
    LAUGERMANN JR, FRANZ JTXgranted 1997-03-27cancelled 2000-05-13
← Back to K3FL License history →