Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5MNZ callsign genealogy
Currently held by Heyroth, Stephen L
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 K5MNZ's current licensee, walking backwards.
- Heyroth, Stephen LKSgranted 1998-08-20cancelled 2002-10-29
Successor callsigns
Callsigns held now by people who previously held K5MNZ.
No current licensee on record previously held this callsign.