Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7LMA callsign genealogy
Currently held by KRANWINKLE, 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 K7LMA's current licensee, walking backwards.
- KRANWINKLE, MICHAEL JUTgranted 2025-02-26cancelled 2025-03-22
Successor callsigns
Callsigns held now by people who previously held K7LMA.
No current licensee on record previously held this callsign.