Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4RCH callsign genealogy
Currently held by Medved, Richard R
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 W4RCH's current licensee, walking backwards.
- Medved, Richard RWAgranted 2024-04-26cancelled 2025-07-25
Successor callsigns
Callsigns held now by people who previously held W4RCH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RCH, oldest first.
- Heisinger, Russell C TN2011-02-02 → cancelled 2023-05-02
- Medved, Richard R AZ2025-07-25 active