Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9DTN callsign genealogy
Currently held by DENTON, THOMAS E
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 N9DTN's current licensee, walking backwards.
- DENTON, THOMAS EILgranted 2011-12-21cancelled 2017-03-14
Successor callsigns
Callsigns held now by people who previously held N9DTN.
- DENTON, THOMAS EILgranted 2017-11-14
All historical holders
Every license row we've seen with the callsign N9DTN, oldest first.
- DE LA TORRE, BERNABE R IL1994-01-04 → cancelled 2006-01-05
- DENTON, THOMAS E IL2017-03-14 → cancelled 2017-11-14