Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9JDF callsign genealogy
Currently held by Fant, John D
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 W9JDF's current licensee, walking backwards.
- Fant, John DCOgranted 2021-03-01cancelled 2023-05-23
Successor callsigns
Callsigns held now by people who previously held W9JDF.
No current licensee on record previously held this callsign.