Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7GUS callsign genealogy
Currently held by Placzek, Michael G
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 K7GUS's current licensee, walking backwards.
- Placzek, Michael GCAgranted 2002-03-01cancelled 2004-03-13
Successor callsigns
Callsigns held now by people who previously held K7GUS.
No current licensee on record previously held this callsign.