Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3SR callsign genealogy
Currently held by Larsen, David M
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 AC3SR's current licensee, walking backwards.
- Larsen, David MPAgranted 2021-03-29cancelled 2025-03-08
Successor callsigns
Callsigns held now by people who previously held AC3SR.
No current licensee on record previously held this callsign.