Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WW4SBH callsign genealogy
Currently held by Houston, William W
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 WW4SBH's current licensee, walking backwards.
- Houston, William WFLgranted 2024-02-06cancelled 2024-02-24
Successor callsigns
Callsigns held now by people who previously held WW4SBH.
No current licensee on record previously held this callsign.