Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5CAT callsign genealogy
Currently held by Guillory, Charles C
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 W5CAT's current licensee, walking backwards.
- KI5GSAcancelledWAMPUS CAT AMATEUR RADIO CLUBARgranted 2019-10-03cancelled 2020-02-04
Successor callsigns
Callsigns held now by people who previously held W5CAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5CAT, oldest first.
- Guillory, Charles C LA2007-11-14 → cancelled 2020-01-15
- WAMPUS CAT AMATEUR RADIO CLUB AR2020-02-04 active