Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0SFB callsign genealogy
Currently held by Fuller, Robert A
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 KD0SFB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD0SFB.
- Fuller, Robert AKSgranted 2024-02-07