Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8MPK callsign genealogy
Currently held by Guzeman, David
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 W8MPK's current licensee, walking backwards.
- Guzeman, DavidMIgranted 2024-02-14cancelled 2024-03-05
Successor callsigns
Callsigns held now by people who previously held W8MPK.
No current licensee on record previously held this callsign.