Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0TJT callsign genealogy
Currently held by LANDSMAN, EUGENE W
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 K0TJT's current licensee, walking backwards.
- Teigum, Thorson JMNgranted 2019-01-02cancelled 2020-07-17
Successor callsigns
Callsigns held now by people who previously held K0TJT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0TJT, oldest first.
- LANDSMAN, EUGENE W CO1996-09-11 → cancelled 2008-09-12
- Teigum, Thorson J MN2020-07-17 active