Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5PSN callsign genealogy
Currently held by GUNDERSON, WILLIAM M
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 W5PSN's current licensee, walking backwards.
- Jang, Hyun JuCAgranted 2007-08-14cancelled 2007-09-05
Successor callsigns
Callsigns held now by people who previously held W5PSN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5PSN, oldest first.
- GUNDERSON, WILLIAM M TX1994-01-04 → cancelled 2006-01-05
- JANG, HYUN JU CA2018-01-04 active