Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9JM callsign genealogy
Currently held by Lindeman, Sergey V
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 AC9JM's current licensee, walking backwards.
- Lindeman, Sergey VWIgranted 2014-08-06cancelled 2014-09-22
Successor callsigns
Callsigns held now by people who previously held AC9JM.
- Lindeman, Sergey VORgranted 2024-09-04