Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9LEN callsign genealogy
Currently held by Slizewski, Len 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 K9LEN's current licensee, walking backwards.
- Slizewski, Len SALgranted 2004-08-25cancelled 2004-12-21
Successor callsigns
Callsigns held now by people who previously held K9LEN.
No current licensee on record previously held this callsign.