Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4FCO callsign genealogy
Currently held by Fluvanna County ARES
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 W4FCO's current licensee, walking backwards.
- OLAVARRIETA, FRANK CNJgranted 2020-05-20cancelled 2023-11-03
Successor callsigns
Callsigns held now by people who previously held W4FCO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4FCO, oldest first.
- Fluvanna County ARES VA2004-07-30 → cancelled 2016-08-02
- OLAVARRIETA, FRANK C NJ2023-11-03 active