Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9JRO callsign genealogy
Currently held by Overocker, James R
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 K9JRO's current licensee, walking backwards.
- Overocker, James RNYgranted 2018-08-16cancelled 2018-09-07
Successor callsigns
Callsigns held now by people who previously held K9JRO.
No current licensee on record previously held this callsign.