Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JRQ callsign genealogy
Currently held by Ranum, Gerald 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 K0JRQ's current licensee, walking backwards.
- Ranum, Gerald ENDgranted 2013-10-17cancelled 2014-10-10
Successor callsigns
Callsigns held now by people who previously held K0JRQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0JRQ, oldest first.
- BURKE, JOSEPH T TX1992-02-04 → cancelled 2004-02-05
- Ranum, Gerald E ND2024-09-24 active