Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4RBR callsign genealogy
Currently held by JOHNSON COUNTY AMATEUR RADIO CLUB
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 KF4RBR'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 KF4RBR.
- W4MCTactiveJOHNSON COUNTY AMATEUR RADIO CLUBTNgranted 2023-06-27