Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9YB callsign genealogy
Currently held by Adamski, Jason J
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 AC9YB's current licensee, walking backwards.
- Adamski, Jason JWIgranted 2012-06-25cancelled 2021-01-29
Successor callsigns
Callsigns held now by people who previously held AC9YB.
- Adamski, Jason JMNgranted 2021-02-17