Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MDK callsign genealogy
Currently held by KELLER, MIKE
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 K7MDK's current licensee, walking backwards.
- KELLER, MIKEUTgranted 2024-06-21cancelled 2024-08-16
Successor callsigns
Callsigns held now by people who previously held K7MDK.
No current licensee on record previously held this callsign.