Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TAH callsign genealogy
Currently held by Herzog, Thomas A
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 W4TAH's current licensee, walking backwards.
- Herzog, Thomas AFLgranted 2004-10-08cancelled 2004-10-30
Successor callsigns
Callsigns held now by people who previously held W4TAH.
No current licensee on record previously held this callsign.