Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7WRX callsign genealogy
Currently held by Russell, Kevin W
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 K7WRX's current licensee, walking backwards.
- Koppenhofer, DanielAZgranted 2012-08-28cancelled 2013-03-15
Successor callsigns
Callsigns held now by people who previously held K7WRX.
- Russell, Kevin WORgranted 2005-09-09cancelled 2010-01-26
All historical holders
Every license row we've seen with the callsign K7WRX, oldest first.
- Russell, Kevin W OR2002-12-20 → cancelled 2005-09-09
- Koppenhofer, Daniel SD2023-02-03 active