Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4BTR callsign genealogy
Currently held by Flood, Paula C
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 KJ4BTR's current licensee, walking backwards.
- Flood, Paula CKYgranted 2020-02-12cancelled 2020-03-27
Successor callsigns
Callsigns held now by people who previously held KJ4BTR.
All historical holders
Every license row we've seen with the callsign KJ4BTR, oldest first.
- WILBURN, ISAAC G VA2008-02-06 → cancelled 2008-09-23
- Flood, Paula C KY2020-03-27 → cancelled 2021-06-22