Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JMO callsign genealogy
Currently held by ELLINGER JR, RICHARD E
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 N4JMO's current licensee, walking backwards.
- Olson, James MALgranted 2013-03-12cancelled 2015-02-24
Successor callsigns
Callsigns held now by people who previously held N4JMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JMO, oldest first.
- ELLINGER JR, RICHARD E GA1989-04-25 → cancelled 2001-04-26
- Olson, James M AL2025-04-09 active