Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0PHI callsign genealogy
Currently held by ARMSTRONG, JERALD 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 W0PHI's current licensee, walking backwards.
- Fougerousse, SandraILgranted 2025-03-28cancelled 2025-12-30
Successor callsigns
Callsigns held now by people who previously held W0PHI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0PHI, oldest first.
- ARMSTRONG, JERALD C IN2011-06-10 → cancelled 2023-09-06
- Fougerousse, Sandra IL2025-12-30 active