Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4WAM callsign genealogy
Currently held by THOMPSON, MARVIN 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 N4WAM's current licensee, walking backwards.
- Morris Jr, William AALgranted 2010-06-30cancelled 2014-04-04
Successor callsigns
Callsigns held now by people who previously held N4WAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4WAM, oldest first.
- THOMPSON, MARVIN C TN1999-05-04 → cancelled 2011-05-05
- Morris Jr, William A NJ2024-04-13 active