Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KAR callsign genealogy
Currently held by TOWNE SR, WILLIAM 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 K4KAR's current licensee, walking backwards.
- Romero, KyleCAgranted 2022-03-08cancelled 2022-03-29
Successor callsigns
Callsigns held now by people who previously held K4KAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KAR, oldest first.
- TOWNE SR, WILLIAM B NC1995-01-20 → cancelled 2007-01-23
- Romero, Kyle CA2022-03-29 active