Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PJ callsign genealogy
Currently held by Wardell, Melvin F
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 K4PJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4PJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4PJ, oldest first.
- Wardell, Melvin F TN2004-06-23 → cancelled 2004-08-26
- OAK RIDGE AMATEUR RADIO CLUB TN2025-06-05 active