Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3IV callsign genealogy
Currently held by Fosse, Eric 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 AC3IV's current licensee, walking backwards.
- Fosse, Eric JPAgranted 2022-04-26cancelled 2022-06-04
Successor callsigns
Callsigns held now by people who previously held AC3IV.
- Fosse, Eric JPAgranted 2022-04-26cancelled 2022-06-04
All historical holders
Every license row we've seen with the callsign AC3IV, oldest first.
- Fosse, Eric J PA2022-04-06 → cancelled 2022-04-26
- Fosse, Eric J PA2022-06-04 active