Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9IUS callsign genealogy
Currently held by Bius, Edward 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 K9IUS's current licensee, walking backwards.
- Bius, Edward AILgranted 2017-11-14cancelled 2017-12-02
Successor callsigns
Callsigns held now by people who previously held K9IUS.
- Bius, Edward AIDgranted 2020-04-14