Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6RUJ callsign genealogy
Currently held by Eldredge, Warren R
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 K6RUJ's current licensee, walking backwards.
- Charoenvattanaporn, AdisornCAgranted 2017-01-20cancelled 2017-02-10
Successor callsigns
Callsigns held now by people who previously held K6RUJ.
- Eldredge, Warren RUTgranted 2016-12-13
All historical holders
Every license row we've seen with the callsign K6RUJ, oldest first.
- Eldredge, Warren R UT1997-02-12 → cancelled 2003-12-10
- Charoenvattanaporn, Adisorn CA2017-02-10 active