Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7KRL callsign genealogy
Currently held by STEEPLE ROCK AMATEUR RADIO CLUB
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 K7KRL's current licensee, walking backwards.
- RITCHEY, KARLORgranted 2010-03-23cancelled 2010-05-21
Successor callsigns
Callsigns held now by people who previously held K7KRL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7KRL, oldest first.
- STEEPLE ROCK AMATEUR RADIO CLUB AZ1996-12-04 → cancelled 2002-10-24
- RITCHEY, KARL OR2020-03-26 active