Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4IB callsign genealogy
Currently held by Gates, Robert
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 AI4IB's current licensee, walking backwards.
- Gates, RobertFLgranted 2004-08-13cancelled 2004-12-10
Successor callsigns
Callsigns held now by people who previously held AI4IB.
- Gates, RobertFLgranted 2015-01-07