Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0TGN callsign genealogy
Currently held by Smith, Mark 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 W0TGN's current licensee, walking backwards.
- Smith, Mark WMOgranted 2022-10-12cancelled 2022-11-01
Successor callsigns
Callsigns held now by people who previously held W0TGN.
- Smith, Mark WMOgranted 2025-07-01