Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM1MEH callsign genealogy
Currently held by Heinze, Mark E
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 KM1MEH's current licensee, walking backwards.
- Heinze, Mark ENCgranted 2016-07-19cancelled 2016-08-09
Successor callsigns
Callsigns held now by people who previously held KM1MEH.
- Heinze, Mark ENCgranted 2016-10-07