Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB9SLW callsign genealogy
Currently held by HALLEY, MIKE H
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 WB9SLW's current licensee, walking backwards.
- HALLEY, CHARLES RFLgranted 2016-06-24cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held WB9SLW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB9SLW, oldest first.
- HALLEY, MIKE H FL2013-08-10 → cancelled 2019-12-29
- HALLEY, CHARLES R FL2020-05-12 active