Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW9ZZZ callsign genealogy
Currently held by KNIGHT, DAVID G
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 WW9ZZZ's current licensee, walking backwards.
- EVENS, WILLIAM PILgranted 2024-03-07cancelled 2024-03-29
Successor callsigns
Callsigns held now by people who previously held WW9ZZZ.
- KNIGHT, DAVID GILgranted 2019-08-13
All historical holders
Every license row we've seen with the callsign WW9ZZZ, oldest first.
- KNIGHT, DAVID G IA2017-05-31 → cancelled 2019-08-13
- EVENS, WILLIAM P IL2024-03-29 active