Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2SA callsign genealogy
Currently held by Mihalko, John 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 AB2SA's current licensee, walking backwards.
- Mihalko, John JNJgranted 1997-05-12cancelled 2004-03-19
Successor callsigns
Callsigns held now by people who previously held AB2SA.
No current licensee on record previously held this callsign.