Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7ZYX callsign genealogy
Currently held by Hagenah, Mark
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 K7ZYX's current licensee, walking backwards.
- Hagenah, MarkWAgranted 2024-10-30cancelled 2025-01-24
Successor callsigns
Callsigns held now by people who previously held K7ZYX.
No current licensee on record previously held this callsign.