Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC9IH callsign genealogy
Currently held by KALINOWSKI SR, DAVID P
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 AC9IH's current licensee, walking backwards.
- KALINOWSKI SR, DAVID PILgranted 2012-03-19cancelled 2014-05-09
Successor callsigns
Callsigns held now by people who previously held AC9IH.
No current licensee on record previously held this callsign.