Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LLZ callsign genealogy
Currently held by MC GRATH JR, CHARLES 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 W4LLZ's current licensee, walking backwards.
- TERWILLIGER JR, ROY WNCgranted 2012-09-10cancelled 2012-12-21
Successor callsigns
Callsigns held now by people who previously held W4LLZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4LLZ, oldest first.
- MC GRATH JR, CHARLES W GA1993-02-16 → cancelled 2005-02-17
- TERWILLIGER JR, ROY W NC2022-12-07 active