Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RJR callsign genealogy
Currently held by Roswick, 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 K0RJR's current licensee, walking backwards.
- Roswick, Robert JNDgranted 2007-03-09cancelled 2008-03-21
Successor callsigns
Callsigns held now by people who previously held K0RJR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0RJR, oldest first.
- KING SR, FRANKLIN P MO1994-04-19 → cancelled 2006-04-20
- Roswick, Robert J ND2018-01-17 active