Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4AH callsign genealogy
Currently held by GRAVES, FREDERICK
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 W4AH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4AH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4AH, oldest first.
- WOOD JR, THADDEUS C NC1993-07-27 → cancelled 2001-02-12
- GRAVES, FREDERICK FL2023-01-25 active