Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF7LX callsign genealogy
Currently held by THOMPSEN, TODD R
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 KF7LX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF7LX.
All historical holders
Every license row we've seen with the callsign KF7LX, oldest first.
- THOMPSEN, TODD R WA2003-04-15 → cancelled 2009-08-14
- THOMPSEN, TODD R WA2010-02-09 → cancelled 2012-07-03