Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4SEM callsign genealogy
Currently held by CABRERA, ANA N
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 N4SEM's current licensee, walking backwards.
- MANNING, STEVEN EFLgranted 1997-07-28cancelled 2002-09-10
Successor callsigns
Callsigns held now by people who previously held N4SEM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4SEM, oldest first.
- CABRERA, ANA N FL1988-03-01 → cancelled 2000-03-02
- MANNING, STEVE E FL2023-10-26 active