Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ALE callsign genealogy
Currently held by Buelt, Jack A
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 K0ALE's current licensee, walking backwards.
- Buelt, Jack AIAgranted 2022-05-10cancelled 2023-07-11
Successor callsigns
Callsigns held now by people who previously held K0ALE.
- MacLeod, MichaelCOgranted 2021-04-09
All historical holders
Every license row we've seen with the callsign K0ALE, oldest first.
- MacLeod, Michael CO2021-03-03 → cancelled 2021-04-09
- Buelt, Jack A IA2023-07-11 active