Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4CM callsign genealogy
Currently held by DENNY II, WILLIAM M
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 AI4CM's current licensee, walking backwards.
- Denny II, William MVAgranted 2002-05-22cancelled 2003-11-07
Successor callsigns
Callsigns held now by people who previously held AI4CM.
No current licensee on record previously held this callsign.