Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7YF callsign genealogy
Currently held by Kalisz, George T
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 AC7YF's current licensee, walking backwards.
- KALISZ, GEORGE TAZgranted 1994-10-05cancelled 2003-04-14
Successor callsigns
Callsigns held now by people who previously held AC7YF.
No current licensee on record previously held this callsign.