Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC2TJU callsign genealogy
Currently held by Rinker, Robert 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 KC2TJU's current licensee, walking backwards.
- Rinker, Robert JNYgranted 2016-08-05cancelled 2020-05-08
Successor callsigns
Callsigns held now by people who previously held KC2TJU.
- Rinker, Robert JNYgranted 2016-08-05cancelled 2020-05-08
All historical holders
Every license row we've seen with the callsign KC2TJU, oldest first.
- Rinker, Robert J NY2008-05-12 → cancelled 2016-08-05
- Rinker, Robert J NY2020-05-08 active