Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0FB callsign genealogy
Currently held by Duda, 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 AD0FB's current licensee, walking backwards.
- Duda, Douglas RMNgranted 2012-10-10cancelled 2013-08-15
Successor callsigns
Callsigns held now by people who previously held AD0FB.
No current licensee on record previously held this callsign.