Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9MRJ callsign genealogy
Currently held by Johnson, Mark 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 W9MRJ's current licensee, walking backwards.
- Johnson, Mark RTNgranted 2024-03-23cancelled 2024-04-12
Successor callsigns
Callsigns held now by people who previously held W9MRJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MRJ, oldest first.
- BENVENUTI, BRUNO IL1988-03-29 → cancelled 2000-03-30
- Johnson, Mark R TN2024-04-12 active