Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0RJJ callsign genealogy
Currently held by Johnson, 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 W0RJJ's current licensee, walking backwards.
- Johnson, Robert JTXgranted 2011-09-07cancelled 2012-01-27
Successor callsigns
Callsigns held now by people who previously held W0RJJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0RJJ, oldest first.
- RICHARDSON, ALAN W IA1988-06-21 → cancelled 2000-06-22
- Johnson, Robert J TX2021-11-23 active