Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MPK callsign genealogy
Currently held by Kassner, Michael P
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 W7MPK's current licensee, walking backwards.
- Kassner, Michael PMTgranted 2003-06-30cancelled 2007-09-28
Successor callsigns
Callsigns held now by people who previously held W7MPK.
No current licensee on record previously held this callsign.