Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4ZD callsign genealogy
Currently held by Knight, Carlton 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 AF4ZD's current licensee, walking backwards.
- KNIGHT, CARLTON ANCgranted 2000-04-21cancelled 2000-06-22
Successor callsigns
Callsigns held now by people who previously held AF4ZD.
- Knight, AlexNCgranted 2000-07-11cancelled 2001-10-02