Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5DF callsign genealogy
Currently held by Hann, Alan
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 AD5DF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD5DF.
No current licensee on record previously held this callsign.