Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN4SLB callsign genealogy
Currently held by MALOY, JOE J
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 WN4SLB's current licensee, walking backwards.
- KF4NGZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WN4SLB.
- MALOY, JOE JFLgranted 2017-05-16