Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RJG callsign genealogy
Currently held by Granvin, Robert J
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 K0RJG's current licensee, walking backwards.
- Granvin, Robert JMNgranted 2020-07-21cancelled 2020-08-08
Successor callsigns
Callsigns held now by people who previously held K0RJG.
No current licensee on record previously held this callsign.