Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8JDF callsign genealogy
Currently held by Frisch, Jonathan 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 K8JDF's current licensee, walking backwards.
- Frisch, Jonathan DCAgranted 2018-11-26cancelled 2018-12-15
Successor callsigns
Callsigns held now by people who previously held K8JDF.
No current licensee on record previously held this callsign.