Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CZ callsign genealogy
Currently held by PARFITT, WILLIAM N
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 K7CZ's current licensee, walking backwards.
- FERGUSON, MAX JUTgranted 2014-07-23cancelled 2023-05-12
Successor callsigns
Callsigns held now by people who previously held K7CZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7CZ, oldest first.
- PARFITT, WILLIAM N IL2012-11-14 → cancelled 2021-04-23
- FERGUSON, MAX J UT2023-05-12 active