Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W5PJS callsign genealogy
Currently held by WILLIAMSON, JACK W
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 W5PJS's current licensee, walking backwards.
- SULLIVAN, PETER JTXgranted 2013-11-18cancelled 2014-01-17
Successor callsigns
Callsigns held now by people who previously held W5PJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5PJS, oldest first.
- WILLIAMSON, JACK W LA1995-10-03 → cancelled 2007-10-04
- SULLIVAN, PETER J TX2014-01-17 → cancelled 2026-03-07