Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MRZ callsign genealogy
Currently held by Zumr, Michelle 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 K7MRZ's current licensee, walking backwards.
- Zumr, Michelle RIDgranted 2019-11-22cancelled 2019-12-17
Successor callsigns
Callsigns held now by people who previously held K7MRZ.
No current licensee on record previously held this callsign.