Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9MRB callsign genealogy
Currently held by Bartman, 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 WB9MRB's current licensee, walking backwards.
- Bartman, Mark RILgranted 2015-09-10cancelled 2015-10-02
Successor callsigns
Callsigns held now by people who previously held WB9MRB.
No current licensee on record previously held this callsign.