Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7ZWX callsign genealogy
Currently held by Margherone, Joseph M
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 K7ZWX's current licensee, walking backwards.
- Margherone, Joseph MMTgranted 2021-07-21cancelled 2023-04-15
Successor callsigns
Callsigns held now by people who previously held K7ZWX.
No current licensee on record previously held this callsign.