Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4RJ callsign genealogy
Currently held by LAMB, RICHARD 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 KX4RJ's current licensee, walking backwards.
- LAMB, RICHARD LFLgranted 2019-02-22cancelled 2019-04-19
Successor callsigns
Callsigns held now by people who previously held KX4RJ.
- LAMB, RICHARD LFLgranted 2019-06-15