Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6RAK callsign genealogy
Currently held by SZPAKOWSKI, ROBERT 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 KJ6RAK's current licensee, walking backwards.
- SZPAKOWSKI, ROBERT JCAgranted 2020-07-28cancelled 2021-06-25
Successor callsigns
Callsigns held now by people who previously held KJ6RAK.
- Whitfield, Ronald VCAgranted 2022-03-29
All historical holders
Every license row we've seen with the callsign KJ6RAK, oldest first.
- Whitfield, Ronald V CA2011-09-02 → cancelled 2012-01-14
- SZPAKOWSKI, ROBERT J CA2021-06-25 active