Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9Z callsign genealogy
Currently held by LEIDER, MARTIN H
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 AC9Z's current licensee, walking backwards.
- LEIDER, MARTIN HILgranted 1994-01-25cancelled 2000-09-23
Successor callsigns
Callsigns held now by people who previously held AC9Z.
- ALPINE, VERNON RWIgranted 1997-06-06cancelled 2009-06-09