Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MJH callsign genealogy
Currently held by Hermann, Michael 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 K7MJH's current licensee, walking backwards.
- Hermann, Michael JAZgranted 2021-11-09cancelled 2021-11-30
Successor callsigns
Callsigns held now by people who previously held K7MJH.
No current licensee on record previously held this callsign.