Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NT5U callsign genealogy
Currently held by Kemper Sr., Theodore R
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 NT5U's current licensee, walking backwards.
- Kemper Sr., Theodore RTXgranted 2014-04-17cancelled 2016-10-04
Successor callsigns
Callsigns held now by people who previously held NT5U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NT5U, oldest first.
- Dressner, Elliott F TX2004-08-02 → cancelled 2016-09-15
- Kemper Sr., Theodore R TX2026-09-04 active