Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7RDJ callsign genealogy
Currently held by MAZZIOTTI, SHIRLEY G
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 K7RDJ's current licensee, walking backwards.
- MAZZIOTTI, SHIRLEY Gcancelled 1997-09-17
Successor callsigns
Callsigns held now by people who previously held K7RDJ.
No current licensee on record previously held this callsign.