Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM7LT callsign genealogy
Currently held by HEIER, MICHAEL R
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 KM7LT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KM7LT.
No current licensee on record previously held this callsign.