Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MMH callsign genealogy
Currently held by Harang, Michael M
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 K5MMH's current licensee, walking backwards.
- HARANG, MICHAEL MTXgranted 1999-06-14cancelled 1999-11-16
Successor callsigns
Callsigns held now by people who previously held K5MMH.
No current licensee on record previously held this callsign.