Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7RAB callsign genealogy
Currently held by Karabaic, John S
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 KA7RAB's current licensee, walking backwards.
- Karabaic, John SORgranted 2016-12-13cancelled 2017-01-06
Successor callsigns
Callsigns held now by people who previously held KA7RAB.
- ROBILLARD, WAYNE LNVgranted 1994-04-12cancelled 2006-04-14