Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4TFC callsign genealogy
Currently held by GIST MD, RICHARD 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 WA4TFC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA4TFC.
No current licensee on record previously held this callsign.