Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7MZ callsign genealogy
Currently held by BILLINGS, RONALD J
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 KK7MZ's current licensee, walking backwards.
- BILLINGS, RONALD Jcancelled 1998-04-14
Successor callsigns
Callsigns held now by people who previously held KK7MZ.
- Billings, Ronald JWAgranted 2017-03-01