Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN6ERP callsign genealogy
Currently held by Palma, Mario R
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 KN6ERP's current licensee, walking backwards.
- Palma, Mario RCAgranted 2022-02-03cancelled 2022-02-23
Successor callsigns
Callsigns held now by people who previously held KN6ERP.
- Barton, Karen KCAgranted 2019-10-29
All historical holders
Every license row we've seen with the callsign KN6ERP, oldest first.
- Barton Mrs, Karen L CA2019-10-08 → cancelled 2019-10-29
- Palma, Mario R CA2022-02-23 active