Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W5GCT callsign genealogy
Currently held by SWARTZTRAUBER, PHIL P
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 W5GCT's current licensee, walking backwards.
- SWARTZTRAUBER, PHIL PTXgranted 1999-07-22cancelled 2003-02-15
Successor callsigns
Callsigns held now by people who previously held W5GCT.
No current licensee on record previously held this callsign.