Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2LSF callsign genealogy
Currently held by Freudenthal, Leonard 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 K2LSF's current licensee, walking backwards.
- Freudenthal, Leonard SFLgranted 2006-07-11cancelled 2006-08-01
Successor callsigns
Callsigns held now by people who previously held K2LSF.
No current licensee on record previously held this callsign.