Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CPU callsign genealogy
Currently held by Arth, Bradley J
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 K0CPU's current licensee, walking backwards.
- Arth, Bradley JNEgranted 2024-03-09cancelled 2024-03-29
Successor callsigns
Callsigns held now by people who previously held K0CPU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0CPU, oldest first.
- BALLARD, LAWRENCE T TX2009-11-10 → cancelled 2022-02-01
- Arth, Bradley J NE2024-03-29 active