Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RIO callsign genealogy
Currently held by Stephens, David L
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 K4RIO's current licensee, walking backwards.
- Stephens, David LVAgranted 2003-07-15cancelled 2005-06-24
Successor callsigns
Callsigns held now by people who previously held K4RIO.
No current licensee on record previously held this callsign.