Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1APD callsign genealogy
Currently held by PIRIS, ADRIAN
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 K1APD's current licensee, walking backwards.
- Clevenger, BrianOKgranted 2024-12-14cancelled 2025-01-03
Successor callsigns
Callsigns held now by people who previously held K1APD.
All historical holders
Every license row we've seen with the callsign K1APD, oldest first.
- PIRIS, ADRIAN MA2021-11-27 → cancelled 2022-07-26
- Clevenger, Brian OK2025-01-03 → cancelled 2026-05-12