Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW9W callsign genealogy
Currently held by Van Zandt, John B
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 KW9W's current licensee, walking backwards.
- MILLER, ZACHARYAZgranted 2020-09-15cancelled 2024-02-24
Successor callsigns
Callsigns held now by people who previously held KW9W.
- Van Zandt, John BALgranted 2022-02-05
All historical holders
Every license row we've seen with the callsign KW9W, oldest first.
- SEARING III, CARL F WI1999-07-07 → cancelled 2011-07-08
- Van Zandt, John B AL2021-07-14 → cancelled 2022-02-05
- MILLER, ZACHARY AZ2024-02-24 active