Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5LSD callsign genealogy
Currently held by LARSON, DARREN S
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 W5LSD's current licensee, walking backwards.
- Larson, Darren STXgranted 2021-03-22cancelled 2021-04-09
Successor callsigns
Callsigns held now by people who previously held W5LSD.
- KNUDSEN, GEORGE CNCgranted 2018-07-09
All historical holders
Every license row we've seen with the callsign W5LSD, oldest first.
- LARSON, DARREN S TX2021-04-09 active
- KNUDSEN, GEORGE C— → cancelled 1998-10-05