Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9JRF callsign genealogy
Currently held by Fisher, John 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 K9JRF's current licensee, walking backwards.
- Fisher, John RINgranted 2008-03-20cancelled 2008-04-08
Successor callsigns
Callsigns held now by people who previously held K9JRF.
No current licensee on record previously held this callsign.