Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0TFN callsign genealogy
Currently held by Aulick, William J
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 KD0TFN'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 KD0TFN.
- Aulick, William JOKgranted 2021-08-20