Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1RJR callsign genealogy
Currently held by RYAN, JOHN G
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 W1RJR's current licensee, walking backwards.
- Richter, Richard JMIgranted 2017-06-05cancelled 2017-06-23
Successor callsigns
Callsigns held now by people who previously held W1RJR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1RJR, oldest first.
- RYAN, JOHN G ME1994-01-04 → cancelled 2006-01-05
- Richter, Richard J MI2017-06-23 active