Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR1NNS callsign genealogy
Currently held by Krinn, Matthew N
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 KR1NNS's current licensee, walking backwards.
- Krinn, Matthew NSCgranted 2021-10-04cancelled 2021-10-22
Successor callsigns
Callsigns held now by people who previously held KR1NNS.
No current licensee on record previously held this callsign.