Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JRJ callsign genealogy
Currently held by JOHNSON, JOAN 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 K4JRJ's current licensee, walking backwards.
- JOHNSON, JOAN RVAgranted 2000-06-15cancelled 2000-08-18
Successor callsigns
Callsigns held now by people who previously held K4JRJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JRJ, oldest first.
- HEINIS, FRANK W TN1988-07-26 → cancelled 2000-07-27
- JOHNSON, JOAN R VA2020-07-13 active