Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9SBJ callsign genealogy
Currently held by Mash, Rodney L
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 W9SBJ's current licensee, walking backwards.
- Mash, Rodney LWAgranted 2008-03-14cancelled 2011-09-09
Successor callsigns
Callsigns held now by people who previously held W9SBJ.
No current licensee on record previously held this callsign.