Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4NM callsign genealogy
Currently held by MacLeod, John P
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 AI4NM's current licensee, walking backwards.
- MacLeod, John PFLgranted 2005-10-25cancelled 2005-12-29
Successor callsigns
Callsigns held now by people who previously held AI4NM.
No current licensee on record previously held this callsign.