Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI6AL callsign genealogy
Currently held by Diffenderfer, Jan C
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 AI6AL's current licensee, walking backwards.
- Diffenderfer, Jan CCAgranted 2014-04-04cancelled 2014-04-30
Successor callsigns
Callsigns held now by people who previously held AI6AL.
No current licensee on record previously held this callsign.