Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9QAM callsign genealogy
Currently held by RADFORD, JOHN 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 KB9QAM's current licensee, walking backwards.
- N0HVSno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KB9QAM.
- RADFORD, JOHN HINgranted 2017-02-22