Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3U callsign genealogy
Currently held by W3 CONTEST 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 AC3U's current licensee, walking backwards.
- KC3EHGcancelledSEVERN RIVER CONTESTERSMDgranted 2015-02-10cancelled 2015-02-28
Successor callsigns
Callsigns held now by people who previously held AC3U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC3U, oldest first.
- TODD, GRAHAM F PA2002-11-14 → cancelled 2015-02-10
- W3 CONTEST CLUB PA2025-02-14 active