Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB5TN callsign genealogy
Currently held by DEWAR, CHRIS
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 AB5TN's current licensee, walking backwards.
- NOLLER, THOMAS JTXgranted 2019-03-26cancelled 2019-05-07
Successor callsigns
Callsigns held now by people who previously held AB5TN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB5TN, oldest first.
- DEWAR, CHRIS TX1994-03-29 → cancelled 2006-03-30
- NOLLER, THOMAS J TX2019-05-07 active