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

KR6RF callsign genealogy

Currently held by CRACKER JACK CONTESTERS

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 KR6RF's current licensee, walking backwards.

  1. K4CJactive· E
    Sturrock, John DFLgranted 2021-08-16
  2. AG4IScancelled· E
    Sturrock, John DFLgranted 2000-11-10cancelled 2001-10-12
  3. KG4LQUcancelled· E
    Sturrock, John DFLgranted 2000-11-10cancelled 2001-05-10
  4. KG4KJKcancelled· G
    Sturrock, John DFLgranted 2000-11-10cancelled 2001-02-09

Successor callsigns

Callsigns held now by people who previously held KR6RF.

  1. WA6HRCexpired
    JOHN AND FANNY PALMER MEMORIAL TRUSTCAgranted 2013-05-07cancelled 2025-04-19
← Back to KR6RF License history →