Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JON callsign genealogy
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 N4JON's current licensee, walking backwards.
- DEARBAUGH, JON ROHgranted 1998-11-13cancelled 2000-09-01
Successor callsigns
Callsigns held now by people who previously held N4JON.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JON, oldest first.
- DEARBAUGH, JON R OH2020-08-04 active
- —— → cancelled 1998-01-07