Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4ILD callsign genealogy
Currently held by Cyrus Radio Nework Club
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 W4ILD's current licensee, walking backwards.
- Hartwell, JacobMOgranted 2022-05-04cancelled 2026-05-22
Successor callsigns
Callsigns held now by people who previously held W4ILD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ILD, oldest first.
- Cyrus Radio Nework Club FL2010-11-16 → cancelled 2022-11-17
- Hartwell, Jacob V MO2026-05-22 active