Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7ZS callsign genealogy
Currently held by SCHMIDT, HOWARD A
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 AD7ZS's current licensee, walking backwards.
- SCHMIDT, HOWARD AWAgranted 1999-12-24cancelled 2009-04-28
Successor callsigns
Callsigns held now by people who previously held AD7ZS.
- SCHMIDT, HOWARD AWAgranted 2009-06-30cancelled 2021-07-01