Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7XK callsign genealogy
Currently held by YAGER, RICHARD 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 K7XK's current licensee, walking backwards.
- Quamme, Crystal MWAgranted 2009-03-19cancelled 2010-02-19
Successor callsigns
Callsigns held now by people who previously held K7XK.
All historical holders
Every license row we've seen with the callsign K7XK, oldest first.
- YAGER, RICHARD W MI1997-06-16 → cancelled 2003-05-13
- YAGER, RICHARD W MI2005-01-08 → cancelled 2008-01-29
- LAWSON, CRYSTAL M WA2019-12-18 active