Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9PAT callsign genealogy
Currently held by Dennin, Patrick B
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 W9PAT's current licensee, walking backwards.
- DENNIN, PATRICK BILgranted 2003-11-03cancelled 2012-07-31
Successor callsigns
Callsigns held now by people who previously held W9PAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9PAT, oldest first.
- RILEY, PATRICK J IL1999-07-09 → cancelled 2011-07-12
- Dennin, Patrick B IL2022-09-27 active