Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4EUM 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 N4EUM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held N4EUM.
- DE LONG JR, JAMES HLAgranted 1988-04-12cancelled 2000-04-13