Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4EEL callsign genealogy
Currently held by Onfri, Phillip V
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 K4EEL's current licensee, walking backwards.
- Onfri, Phillip VFLgranted 2023-03-13cancelled 2023-03-31
Successor callsigns
Callsigns held now by people who previously held K4EEL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4EEL, oldest first.
- LEE, MARTIN E FL2009-10-09 → cancelled 2021-10-13
- Onfri, Phillip V FL2023-03-31 active