Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JFB callsign genealogy
Currently held by Brady, John F
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 K9JFB's current licensee, walking backwards.
- Brady, John FRIgranted 2011-07-22cancelled 2014-08-01
Successor callsigns
Callsigns held now by people who previously held K9JFB.
No current licensee on record previously held this callsign.