Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3SIX callsign genealogy
Currently held by ZELLER, RONALD F
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 KC3SIX's current licensee, walking backwards.
- ZELLER, RONALD FPAgranted 2015-03-31cancelled 2021-06-29
Successor callsigns
Callsigns held now by people who previously held KC3SIX.
No current licensee on record previously held this callsign.