Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN6JZM callsign genealogy
Currently held by Palma, Arnulfo 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 KN6JZM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KN6JZM.
- Palma, Arnulfo JCAgranted 2020-09-11cancelled 2020-10-16
All historical holders
Every license row we've seen with the callsign KN6JZM, oldest first.
- Palma, Arnulfo J CA2020-07-22 → cancelled 2020-09-11
- Palma, Arnulfo J CA2025-08-30 active