Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9RL callsign genealogy
Currently held by VLACH, STEVEN 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 AB9RL's current licensee, walking backwards.
- VLACH, STEVEN CILgranted 2004-07-02cancelled 2008-06-19
Successor callsigns
Callsigns held now by people who previously held AB9RL.
- VLACH, STEVEN CILgranted 2018-04-17