Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4CZU callsign genealogy
Currently held by Plumblee, Christopher 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 KG4CZU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KG4CZU.
- Plumblee, Christopher GFLgranted 1999-04-27cancelled 2006-04-15