Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8BUT callsign genealogy
Currently held by LAUTH, ROY 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 KC8BUT's current licensee, walking backwards.
- Puthoff, Kevin BOHgranted 2024-12-27cancelled 2025-01-14
Successor callsigns
Callsigns held now by people who previously held KC8BUT.
- LAUTH, ROY WOHgranted 2010-02-12cancelled 2022-04-05
All historical holders
Every license row we've seen with the callsign KC8BUT, oldest first.
- LAUTH, ROY W OH1995-12-15 → cancelled 2000-04-04
- Puthoff, Kevin B OH2025-01-14 active