Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT5XL callsign genealogy
Currently held by Calhoun, Thomas 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 KT5XL's current licensee, walking backwards.
- Huseynov, JahangirTXgranted 2022-11-24cancelled 2023-05-05
Successor callsigns
Callsigns held now by people who previously held KT5XL.
- Calhoun, Thomas RTXgranted 2006-08-15cancelled 2007-04-17
All historical holders
Every license row we've seen with the callsign KT5XL, oldest first.
- Calhoun, Thomas R TX2005-09-09 → cancelled 2006-08-15
- Huseynov, Jahangir TX2023-05-05 active