Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9UB callsign genealogy
Currently held by SERAFINI, RICHARD
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 W9UB's current licensee, walking backwards.
- SERAFINI, RICHARDILgranted 2017-01-11cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held W9UB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9UB, oldest first.
- HAUT, CHARLES H WI2007-07-12 → cancelled 2019-10-10
- SERAFINI, RICHARD IL2019-11-13 active