Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MDI callsign genealogy
Currently held by Dahmer, Michael
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 K7MDI's current licensee, walking backwards.
- Dahmer, MichaelIDgranted 2001-04-09cancelled 2001-05-11
Successor callsigns
Callsigns held now by people who previously held K7MDI.
No current licensee on record previously held this callsign.