Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SBL callsign genealogy
Currently held by Levie 254, Samuel B
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 K4SBL's current licensee, walking backwards.
- Levie, Samuel BGAgranted 2007-06-15cancelled 2008-10-24
Successor callsigns
Callsigns held now by people who previously held K4SBL.
No current licensee on record previously held this callsign.