Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9PUC callsign genealogy
Currently held by Gaddo, John C
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 KC9PUC's current licensee, walking backwards.
- Gaddo, John CWIgranted 2008-04-30cancelled 2009-05-12
Successor callsigns
Callsigns held now by people who previously held KC9PUC.
- Gaddo, John CMNgranted 2019-08-08