Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1TLC callsign genealogy
Currently held by TECHNOLOGY LEARNING CENTER
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 K1TLC's current licensee, walking backwards.
- Hagelberger, ThomasOKgranted 2022-07-02cancelled 2022-07-23
Successor callsigns
Callsigns held now by people who previously held K1TLC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1TLC, oldest first.
- TECHNOLOGY LEARNING CENTER GA2008-07-26 → cancelled 2020-09-17
- Hagelberger, Thomas OK2022-07-23 active