Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0JR callsign genealogy
Currently held by SCHMANSKI, WILLIAM C
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 AD0JR's current licensee, walking backwards.
- SCHMANSKI, WILLIAM CCOgranted 2012-04-13cancelled 2014-06-26
Successor callsigns
Callsigns held now by people who previously held AD0JR.
No current licensee on record previously held this callsign.