Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6MKL callsign genealogy
Currently held by Berchtold, 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 K6MKL's current licensee, walking backwards.
- Berchtold, Michael JCAgranted 2004-11-18cancelled 2013-07-16
Successor callsigns
Callsigns held now by people who previously held K6MKL.
No current licensee on record previously held this callsign.