Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4IF callsign genealogy
Currently held by Gregory Jr, Douglas R
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 AI4IF's current licensee, walking backwards.
- Gregory Jr, Douglas RFLgranted 2003-11-20cancelled 2004-12-23
Successor callsigns
Callsigns held now by people who previously held AI4IF.
No current licensee on record previously held this callsign.