Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5TFD callsign genealogy
Currently held by Devlin IV, Thomas F
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 N5TFD's current licensee, walking backwards.
- Devlin IV, Thomas FOKgranted 2015-03-27cancelled 2016-05-24
Successor callsigns
Callsigns held now by people who previously held N5TFD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TFD, oldest first.
- HOLSTON, JOEL D MS2003-05-13 → cancelled 2014-07-31
- Devlin IV, Thomas F OK2016-05-24 active