Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF0DX callsign genealogy
Currently held by Lu, Christopher
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 AF0DX's current licensee, walking backwards.
- Lu, ChristopherMNgranted 2025-06-21cancelled 2025-09-12
Successor callsigns
Callsigns held now by people who previously held AF0DX.
No current licensee on record previously held this callsign.