Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1JSB callsign genealogy
Currently held by JOSEPH, MICHAEL A
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 WA1JSB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA1JSB.
No current licensee on record previously held this callsign.