Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0LTB callsign genealogy
Currently held by Estep, Preston 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 K0LTB's current licensee, walking backwards.
- BUGLER, LUKE TKSgranted 2011-02-28cancelled 2011-10-21
Successor callsigns
Callsigns held now by people who previously held K0LTB.
- Estep, Preston WMOgranted 2024-01-09
All historical holders
Every license row we've seen with the callsign K0LTB, oldest first.
- Estep, Preston W MO1995-06-30 → cancelled 2004-03-10
- BUGLER, LUKE T TX2021-07-27 active