Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4MAP callsign genealogy
Currently held by Smith, Sam F
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 N4MAP's current licensee, walking backwards.
- SMITH, SAM Fcancelled 1999-05-05
Successor callsigns
Callsigns held now by people who previously held N4MAP.
No current licensee on record previously held this callsign.