Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5TTC callsign genealogy
Currently held by Keefer Jr, Fred M
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 W5TTC's current licensee, walking backwards.
- Keefer JR, Fred MTXgranted 2018-06-06cancelled 2018-06-26
Successor callsigns
Callsigns held now by people who previously held W5TTC.
No current licensee on record previously held this callsign.