Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9PSW callsign genealogy
Currently held by DE WITT, RICHARD J
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 K9PSW's current licensee, walking backwards.
- Wollesen, Pamela SILgranted 2015-05-06cancelled 2015-05-27
Successor callsigns
Callsigns held now by people who previously held K9PSW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9PSW, oldest first.
- DE WITT, RICHARD J OR1991-12-10 → cancelled 2003-12-11
- Wollesen, Pamela S IL2025-05-09 active