Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4OP callsign genealogy
Currently held by Pirkle, Patricia E
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 AI4OP's current licensee, walking backwards.
- Pirkle, Patricia EFLgranted 1997-09-10cancelled 2006-03-01
Successor callsigns
Callsigns held now by people who previously held AI4OP.
No current licensee on record previously held this callsign.