Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BOJ callsign genealogy
Currently held by TOWNLEY, ROLAND 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 K4BOJ's current licensee, walking backwards.
- Jonas, Robert WUTgranted 2023-08-08cancelled 2026-07-28
Successor callsigns
Callsigns held now by people who previously held K4BOJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BOJ, oldest first.
- TOWNLEY, ROLAND C AL2013-02-04 → cancelled 2025-04-22
- Jonas, Robert W UT2026-07-28 active