Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7LVO callsign genealogy
Currently held by VAN OOSTEN, LOUISE
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 W7LVO's current licensee, walking backwards.
- VAN OOSTEN, LOUISEORgranted 2008-03-14cancelled 2014-06-24
Successor callsigns
Callsigns held now by people who previously held W7LVO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7LVO, oldest first.
- TROETSCHEL, WILLIAM O CA1996-07-18 → cancelled 2005-01-18
- VAN OOSTEN, LOUISE OR2025-06-10 active