Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5OS callsign genealogy
Currently held by PARDUE JR, JOSEPH E
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 W5OS's current licensee, walking backwards.
- PARDUE JR, JOSEPH Ecancelled 1999-04-28
Successor callsigns
Callsigns held now by people who previously held W5OS.
No current licensee on record previously held this callsign.