Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM9ARK callsign genealogy
Currently held by Nieckarz, Arkadiusz
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 KM9ARK's current licensee, walking backwards.
- Nieckarz, ArkadiuszAZgranted 2026-02-14cancelled 2026-03-07
Successor callsigns
Callsigns held now by people who previously held KM9ARK.
No current licensee on record previously held this callsign.