Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4BO callsign genealogy
Currently held by PENTEK, GREGORY 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 AI4BO's current licensee, walking backwards.
- Pentek, Gregory JFLgranted 2002-11-21cancelled 2003-09-18
Successor callsigns
Callsigns held now by people who previously held AI4BO.
No current licensee on record previously held this callsign.