Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0JRD callsign genealogy
Currently held by O Malley, Michael 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 KC0JRD's current licensee, walking backwards.
- DAVIES, JOSEPH RMOgranted 2016-08-23cancelled 2016-09-10
Successor callsigns
Callsigns held now by people who previously held KC0JRD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0JRD, oldest first.
- O Malley, Michael J MN2001-02-07 → cancelled 2013-02-08
- DAVIES, JOSEPH R MO2026-06-13 active