Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1EU callsign genealogy
Currently held by Grosser, Jeffrey W
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 AC1EU's current licensee, walking backwards.
- Grosser, Jeffrey WMEgranted 2017-04-11cancelled 2018-05-02
Successor callsigns
Callsigns held now by people who previously held AC1EU.
No current licensee on record previously held this callsign.