uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KD8FI callsign genealogy

Currently held by COOPER JR, LEONARD E

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 KD8FI's current licensee, walking backwards.

  1. KA8QFLcancelled· E
    COOPER JR, LEONARD EOHgranted 2020-12-29cancelled 2021-02-23
  2. K8ULactive· E
    COOPER JR, LEONARD EOHgranted 2021-09-11

Successor callsigns

Callsigns held now by people who previously held KD8FI.

  1. K8ULactive· E
    COOPER JR, LEONARD EOHgranted 2021-09-11
  2. K8ULcancelled· E
    COOPER JR, LEONARD EOHgranted 2003-04-15cancelled 2011-03-29

All historical holders

Every license row we've seen with the callsign KD8FI, oldest first.

  • COOPER JR, LEONARD E OH
    1993-06-01 → cancelled 2003-04-15
  • COOPER JR, LEONARD E OH
    2021-02-23 → cancelled 2021-09-11