Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3ROK callsign genealogy
Currently held by ECKERD, JOHN
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 KC3ROK's current licensee, walking backwards.
- ECKERD, JOHNDEgranted 2020-11-18cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held KC3ROK.
No current licensee on record previously held this callsign.