Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AC9CS callsign genealogy
Currently held by Leinenbach, Davin E
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 AC9CS's current licensee, walking backwards.
- Leinenbach, Davin EINgranted 2011-03-23cancelled 2012-07-12
Successor callsigns
Callsigns held now by people who previously held AC9CS.
No current licensee on record previously held this callsign.