Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7LST callsign genealogy
Currently held by POTTER, KAREN H
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 KB7LST's current licensee, walking backwards.
- Trottier, Leland SORgranted 2017-07-20cancelled 2017-08-15
Successor callsigns
Callsigns held now by people who previously held KB7LST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7LST, oldest first.
- POTTER, KAREN H WA1990-10-02 → cancelled 2002-10-03
- Trottier, Leland S OR2017-08-15 active