Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4WT callsign genealogy
Currently held by Palmer, William D
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 AI4WT's current licensee, walking backwards.
- Palmer, William DNCgranted 2004-08-25cancelled 2007-04-10
Successor callsigns
Callsigns held now by people who previously held AI4WT.
No current licensee on record previously held this callsign.