Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4NR callsign genealogy
Currently held by FLAVIN, JOHN P
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 KN4NR's current licensee, walking backwards.
- Flavin, JohnKSgranted 2024-08-20cancelled 2024-09-10
Successor callsigns
Callsigns held now by people who previously held KN4NR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4NR, oldest first.
- FLAVIN, JOHN P KS2010-06-09 → cancelled 2022-08-19
- Flavin, John KS2024-09-10 active