Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JNR callsign genealogy
Currently held by CAMPBELL, JOSEPH H
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 K9JNR's current licensee, walking backwards.
- Rogers, Justin NTXgranted 2013-03-22cancelled 2013-09-13
Successor callsigns
Callsigns held now by people who previously held K9JNR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9JNR, oldest first.
- CAMPBELL, JOSEPH H IL1994-10-03 → cancelled 2006-10-04
- Rogers, Justin N TX2023-09-07 active