Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7RLW callsign genealogy
Currently held by COX, STEVEN J
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 KB7RLW's current licensee, walking backwards.
- WALKER, ROBERT LUTgranted 2014-04-25cancelled 2020-02-25
Successor callsigns
Callsigns held now by people who previously held KB7RLW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7RLW, oldest first.
- COX, STEVEN J AZ1993-01-05 → cancelled 2005-01-06
- Walker, Bob L MO2020-02-25 active