Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4HOA callsign genealogy
Currently held by Rusczyk, Robert 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 K4HOA's current licensee, walking backwards.
- Rusczyk, Robert JFLgranted 2024-11-23cancelled 2025-03-14
Successor callsigns
Callsigns held now by people who previously held K4HOA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4HOA, oldest first.
- FRANK, ARTHUR FL1997-09-18 → cancelled 2009-09-19
- GAVER, FRANKLIN E VA2010-03-26 → cancelled 2022-03-29
- Rusczyk, Robert J FL2025-03-14 active