Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9RF callsign genealogy
Currently held by PERRY, RUSSELL H
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 KC9RF's current licensee, walking backwards.
- BARNUM, ROBERT WWIgranted 1997-11-14cancelled 2007-10-30
Successor callsigns
Callsigns held now by people who previously held KC9RF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9RF, oldest first.
- PERRY, RUSSELL H IN1987-09-29 → cancelled 1999-09-30
- BARNUM, ROBERT W WI2017-08-09 active