Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4RB callsign genealogy
Currently held by Buckspan, Randy J
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 AI4RB's current licensee, walking backwards.
- Brown, Robert EFLgranted 2010-05-13cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held AI4RB.
- Buckspan, Randy JGAgranted 2020-04-01
All historical holders
Every license row we've seen with the callsign AI4RB, oldest first.
- Buckspan, Randy J TX2001-10-27 → cancelled 2010-06-29
- Brown, Robert E FL2020-03-10 active