Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ABC callsign genealogy
Currently held by MALIS, STEPHEN C
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 N4ABC's current licensee, walking backwards.
- MALIS, STEPHEN CGAgranted 1997-09-15cancelled 2000-11-07
Successor callsigns
Callsigns held now by people who previously held N4ABC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ABC, oldest first.
- MOYER, JOSEPH A HI1988-10-18 → cancelled 2000-10-19
- MALIS, STEPHEN C GA2020-08-19 active