Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9SD callsign genealogy
Currently held by LISHKA, EDWARD J
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 AC9SD's current licensee, walking backwards.
- LISHKA, EDWARD JILgranted 2017-11-13cancelled 2018-02-09
Successor callsigns
Callsigns held now by people who previously held AC9SD.
No current licensee on record previously held this callsign.