Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5ZL callsign genealogy
Currently held by Knight, Gary
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 AC5ZL's current licensee, walking backwards.
- Knight, GaryTXgranted 2000-06-20cancelled 2000-07-26
Successor callsigns
Callsigns held now by people who previously held AC5ZL.
- Knight, GaryTXgranted 2020-08-12