Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7WST callsign genealogy
Currently held by Sander, Leon 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 KB7WST's current licensee, walking backwards.
- Sander, Leon GWAgranted 2019-06-27cancelled 2019-07-31
Successor callsigns
Callsigns held now by people who previously held KB7WST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7WST, oldest first.
- SANDER, LEON G WA2003-07-18 → cancelled 2015-08-25
- Sander, Leon G WA2019-07-31 active