Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4NM callsign genealogy
Currently held by MANDEL, NORMAN
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 AC4NM's current licensee, walking backwards.
- MANDEL, NORMANFLgranted 2017-04-03cancelled 2019-03-26
Successor callsigns
Callsigns held now by people who previously held AC4NM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4NM, oldest first.
- OSBORNE, MARIE D NC2002-01-17 → cancelled 2014-02-12
- MANDEL, NORMAN FL2019-03-26 active