Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7ZS callsign genealogy
Currently held by Drassal, 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 AC7ZS's current licensee, walking backwards.
- Drassal, David PWAgranted 1997-02-20cancelled 2003-08-20
Successor callsigns
Callsigns held now by people who previously held AC7ZS.
- Drassal, David PWAgranted 2023-08-03