Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WL7CXX callsign genealogy
Currently held by QRM Curmudgeon Group
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 WL7CXX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WL7CXX.
- KL7OTactiveQRM Curmudgeon GroupAKgranted 2018-03-02