Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ECU callsign genealogy
Currently held by Anderson, Matthew W
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 W4ECU's current licensee, walking backwards.
- Anderson, Matthew WNCgranted 2013-04-04cancelled 2016-09-02
Successor callsigns
Callsigns held now by people who previously held W4ECU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ECU, oldest first.
- SMITH, JAMES O NC2004-08-03 → cancelled 2016-08-04
- Anderson, Matthew W NC2026-07-28 active