Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MTA callsign genealogy
Currently held by MULLEN, ANDREW T
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 W4MTA's current licensee, walking backwards.
- Mullen, Andrew TNCgranted 2006-08-16cancelled 2006-09-16
Successor callsigns
Callsigns held now by people who previously held W4MTA.
No current licensee on record previously held this callsign.