Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI5MRK callsign genealogy
Currently held by NATION, MARK 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 KI5MRK's current licensee, walking backwards.
- NATION, MARK ATXgranted 2018-11-16cancelled 2018-12-07
Successor callsigns
Callsigns held now by people who previously held KI5MRK.
No current licensee on record previously held this callsign.