Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4RDP callsign genealogy
Currently held by BROUGHTON, CLIFFORD M
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 KF4RDP'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 KF4RDP.
- BROUGHTON, CLIFFORD MNCgranted 2007-01-30cancelled 2008-11-25