Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4RCO callsign genealogy
Currently held by Tinney, Christian
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 KB4RCO's current licensee, walking backwards.
- Tinney, ChristianGAgranted 2020-05-15cancelled 2020-06-02
Successor callsigns
Callsigns held now by people who previously held KB4RCO.
- TINNEY, TIMOTHY AGAgranted 2017-02-17
All historical holders
Every license row we've seen with the callsign KB4RCO, oldest first.
- TINNEY, TIMOTHY A GA2008-05-21 → cancelled 2017-02-17
- Tinney, Christian GA2020-06-02 active