Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA4RCJ callsign genealogy
Currently held by BENCHOFF, DONALD J
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 KA4RCJ's current licensee, walking backwards.
- BENCHOFF, DONALD JVAgranted 2026-07-28cancelled 2026-08-15
Successor callsigns
Callsigns held now by people who previously held KA4RCJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4RCJ, oldest first.
- BENCHOFF, DONALD J AZ2011-11-07 → cancelled 2024-02-06
- BENCHOFF Mr., DONALD J VA2026-08-15 active