Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4ORD callsign genealogy
Currently held by SINCLAIR JR, JAMES B
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 KK4ORD's current licensee, walking backwards.
- Kennedy, Kris RFLgranted 2020-09-10cancelled 2021-02-09
Successor callsigns
Callsigns held now by people who previously held KK4ORD.
All historical holders
Every license row we've seen with the callsign KK4ORD, oldest first.
- SINCLAIR JR, JAMES B VA2013-02-21 → cancelled 2013-12-03
- Kennedy, Kkris R FL2021-02-09 → cancelled 2021-06-25