Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS0UP callsign genealogy
Currently held by Smith, James
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 WS0UP's current licensee, walking backwards.
- Smith, JamesCOgranted 2019-01-31cancelled 2021-09-21
Successor callsigns
Callsigns held now by people who previously held WS0UP.
No current licensee on record previously held this callsign.