Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9MDE callsign genealogy
Currently held by PLESKO, JOHN T
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 KC9MDE's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC9MDE.
- PLESKO, JOHN TTXgranted 2018-02-03