Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4WL callsign genealogy
Currently held by Hartmeyer, James 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 AI4WL's current licensee, walking backwards.
- Hartmeyer, James TNCgranted 2006-02-21cancelled 2007-04-05
Successor callsigns
Callsigns held now by people who previously held AI4WL.
No current licensee on record previously held this callsign.