Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4YBT callsign genealogy
Currently held by Whitten, Jesse
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 K4YBT's current licensee, walking backwards.
- Whitten, JesseFLgranted 2024-03-20cancelled 2024-04-09
Successor callsigns
Callsigns held now by people who previously held K4YBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4YBT, oldest first.
- WILSON, WALLACE L AL2008-08-13 → cancelled 2020-10-28
- Whitten, Jesse FL2024-04-09 active