Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7MZU callsign genealogy
Currently held by Thomas, Heather R
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 KK7MZU's current licensee, walking backwards.
- Thomas, Heather RNVgranted 2023-04-25cancelled 2023-06-05
Successor callsigns
Callsigns held now by people who previously held KK7MZU.
- Thomas, Heather RNVgranted 2023-04-25