Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB6ZSB callsign genealogy
Currently held by BARTHELOW, RICHARD D
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 WB6ZSB's current licensee, walking backwards.
- BARTHELOW, RICHARD DCAgranted 2024-02-15cancelled 2024-03-19
Successor callsigns
Callsigns held now by people who previously held WB6ZSB.
No current licensee on record previously held this callsign.