Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5MTB callsign genealogy
Currently held by NESRSTA, HORTON D
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 W5MTB's current licensee, walking backwards.
- Jones, John ATXgranted 2010-02-26cancelled 2010-03-16
Successor callsigns
Callsigns held now by people who previously held W5MTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5MTB, oldest first.
- NESRSTA, HORTON D TX1994-08-12 → cancelled 2006-08-15
- Jones, John A TX2020-01-22 active