Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7ZK callsign genealogy
Currently held by Bednarik, John
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 AD7ZK's current licensee, walking backwards.
- Bednarik, JohnAZgranted 2008-10-17cancelled 2009-04-13
Successor callsigns
Callsigns held now by people who previously held AD7ZK.
- Bednarik, JohnAZgranted 2020-12-09