Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5MRX callsign genealogy
Currently held by WILLIAMS, CHRISTOPHER 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 K5MRX's current licensee, walking backwards.
- WILLIAMS, CHRISTOPHER LARgranted 2004-03-06cancelled 2006-06-20
Successor callsigns
Callsigns held now by people who previously held K5MRX.
No current licensee on record previously held this callsign.