Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CSL callsign genealogy
Currently held by Leonard, Clifton 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 K5CSL's current licensee, walking backwards.
- Leonard, Clifton SLAgranted 2003-01-27cancelled 2004-01-23
Successor callsigns
Callsigns held now by people who previously held K5CSL.
No current licensee on record previously held this callsign.