Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RFZ callsign genealogy
Currently held by Lawrence, Joseph D
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 K9RFZ's current licensee, walking backwards.
- LAWRENCE, JOSEPH DINgranted 1997-07-28cancelled 2006-10-28
Successor callsigns
Callsigns held now by people who previously held K9RFZ.
No current licensee on record previously held this callsign.