Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4DSL callsign genealogy
Currently held by ORLIN, HYMAN
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 KB4DSL's current licensee, walking backwards.
- DE LA TORRE, LUCILOFLgranted 2018-04-13cancelled 2021-11-05
Successor callsigns
Callsigns held now by people who previously held KB4DSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4DSL, oldest first.
- ORLIN, HYMAN FL1989-03-21 → cancelled 2001-03-22
- DE LA TORRE, LUCILO FL2021-11-05 active