Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WE0JSB callsign genealogy
Currently held by Barthlow, John S
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 WE0JSB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WE0JSB.
No current licensee on record previously held this callsign.