Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9VAN callsign genealogy
Currently held by VANDERHOFF, WILLIAM 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 W9VAN's current licensee, walking backwards.
- States, Thomas WCAgranted 2025-03-18cancelled 2025-04-08
Successor callsigns
Callsigns held now by people who previously held W9VAN.
- VANDERHOFF, WILLIAM AMTgranted 2020-06-26
All historical holders
Every license row we've seen with the callsign W9VAN, oldest first.
- VANDERHOFF, WILLIAM A MT2017-07-11 → cancelled 2020-06-26
- States, Thomas W CA2025-04-08 active