Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0TUG callsign genealogy
Currently held by SWAILES, JOHN H
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 W0TUG's current licensee, walking backwards.
- SWAILES, JOHN HWAgranted 1997-10-23cancelled 2003-12-02
Successor callsigns
Callsigns held now by people who previously held W0TUG.
No current licensee on record previously held this callsign.