Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4PI callsign genealogy
Currently held by Sandoval, Hugo F
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 AI4PI's current licensee, walking backwards.
- Sandoval, Hugo FTNgranted 2003-08-15cancelled 2006-04-26
Successor callsigns
Callsigns held now by people who previously held AI4PI.
- Sandoval, Hugo FTNgranted 2016-03-15