Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4EM callsign genealogy
Currently held by Harbour, Anthony S
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 AI4EM's current licensee, walking backwards.
- Harbour, Anthony SVAgranted 2013-02-13cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held AI4EM.
- ORAMA, MIGUELFLgranted 2005-08-02cancelled 2006-09-29
All historical holders
Every license row we've seen with the callsign AI4EM, oldest first.
- ORAMA, MIGUEL FL2002-12-14 → cancelled 2005-08-02
- Harbour, Anthony S VA2022-04-26 active