Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9MRB callsign genealogy
Currently held by TICEN, WILLIAM E
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 W9MRB's current licensee, walking backwards.
- Bartell, Michael RILgranted 2010-06-22cancelled 2012-04-13
Successor callsigns
Callsigns held now by people who previously held W9MRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MRB, oldest first.
- TICEN, WILLIAM E CA1987-10-20 → cancelled 1999-10-21
- Bartell, Michael R IL2022-02-01 active