Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4IT callsign genealogy
Currently held by Milhorn, Charles W
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 AA4IT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA4IT.
No current licensee on record previously held this callsign.