Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0LTX callsign genealogy
Currently held by ECKSTROM JR, 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 K0LTX's current licensee, walking backwards.
- ECKSTROM JR, THEODORE RAZgranted 2014-05-09cancelled 2023-02-14
Successor callsigns
Callsigns held now by people who previously held K0LTX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0LTX, oldest first.
- Eckstrom, Theodore R MN2007-12-18 → cancelled 2020-01-10
- ECKSTROM JR, THEODORE R AZ2023-02-14 active