Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BIY callsign genealogy
Currently held by INGRAM, CHARLES L
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 N4BIY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4BIY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4BIY, oldest first.
- DE LEON, DENNIS M CA1995-07-14 → cancelled 2007-07-17
- INGRAM, CHARLES L NC2020-12-08 active