Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5WTM callsign genealogy
Currently held by MATAGORDA COUNTY AMATEUR RADIO CLUB
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 W5WTM's current licensee, walking backwards.
- KD5OAKcancelledMATAGORDA COUNTY AMATEUR RADIO CLUBTXgranted 2001-04-12cancelled 2002-04-28
Successor callsigns
Callsigns held now by people who previously held W5WTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5WTM, oldest first.
- JARRELL, HENRY M TX1988-03-08 → cancelled 2000-03-09
- MATAGORDA COUNTY AMATEUR RADIO CLUB TX2022-02-22 active