Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4OB callsign genealogy
Currently held by TATE, PHILIP 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 AI4OB's current licensee, walking backwards.
- Tate, Philip JNCgranted 2004-06-29cancelled 2006-02-08
Successor callsigns
Callsigns held now by people who previously held AI4OB.
No current licensee on record previously held this callsign.