Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4KU callsign genealogy
Currently held by WALSH, THOMAS G
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 AI4KU's current licensee, walking backwards.
- WALSH, THOMAS GGAgranted 2005-03-24cancelled 2005-06-14
Successor callsigns
Callsigns held now by people who previously held AI4KU.
No current licensee on record previously held this callsign.