Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX3MK callsign genealogy
Currently held by KRAUSER, MARK E
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 KX3MK's current licensee, walking backwards.
- Krauser, Mark EPAgranted 2014-11-06cancelled 2015-12-04
Successor callsigns
Callsigns held now by people who previously held KX3MK.
No current licensee on record previously held this callsign.