Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK5RD callsign genealogy
Currently held by KINTNER Mr., CHRISTOPHER 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 KK5RD's current licensee, walking backwards.
- KINTNER Mr., CHRISTOPHER ENMgranted 2021-05-11cancelled 2024-02-06
- N0MZNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KK5RD.
- HARRINGTON, JOHN RTXgranted 2007-11-22cancelled 2020-01-15
All historical holders
Every license row we've seen with the callsign KK5RD, oldest first.
- KINTNER Mr., CHRISTOPHER E NM2024-02-06 active
- HARRINGTON, JOHN R— → cancelled 1998-01-14