Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4KW callsign genealogy
Currently held by Iwancio Sr, 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 AI4KW's current licensee, walking backwards.
- Iwancio Sr, Thomas ASCgranted 2004-09-07cancelled 2005-06-18
Successor callsigns
Callsigns held now by people who previously held AI4KW.
No current licensee on record previously held this callsign.