Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6IQ callsign genealogy
Currently held by MAZZUCO, JAMES A
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 K6IQ's current licensee, walking backwards.
- MAZZUCO, JAMES ACAgranted 1998-11-02cancelled 2000-01-25
Successor callsigns
Callsigns held now by people who previously held K6IQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6IQ, oldest first.
- MORRISS, ROY W OR1987-12-08 → cancelled 1999-12-09
- MAZZUCO, JAMES A AZ2019-10-29 active