Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB9SUU callsign genealogy
Currently held by MASSUNG, JAMES 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 KB9SUU's current licensee, walking backwards.
- MASSUNG, JAMES Ecancelled 1998-05-14
Successor callsigns
Callsigns held now by people who previously held KB9SUU.
No current licensee on record previously held this callsign.