Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0RVB callsign genealogy
Currently held by Ralston, John E
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 K0RVB's current licensee, walking backwards.
- Ralston, John ETXgranted 2011-03-03cancelled 2011-03-22
Successor callsigns
Callsigns held now by people who previously held K0RVB.
No current licensee on record previously held this callsign.