Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI5PI callsign genealogy
Currently held by Williams, Bob
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 AI5PI's current licensee, walking backwards.
- Williams, BobTXgranted 2023-12-19cancelled 2024-03-18
Successor callsigns
Callsigns held now by people who previously held AI5PI.
- Williams, BobTXgranted 2025-04-15