Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7CZ callsign genealogy
Currently held by Van Tuyl, Mark 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 AF7CZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AF7CZ.
- Van Tuyl, Mark HIDgranted 2014-01-10cancelled 2016-07-01