Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5TSB callsign genealogy
Currently held by Opaskey, Frederick S
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 W5TSB's current licensee, walking backwards.
- Opaskey, Frederick STXgranted 1997-07-11cancelled 2002-12-27
Successor callsigns
Callsigns held now by people who previously held W5TSB.
No current licensee on record previously held this callsign.