Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4FLI callsign genealogy
Currently held by O'Donnell, Sean 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 K4FLI's current licensee, walking backwards.
- O'Donnell, Sean PVAgranted 2020-05-18cancelled 2020-09-29
Successor callsigns
Callsigns held now by people who previously held K4FLI.
No current licensee on record previously held this callsign.