Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0SB callsign genealogy
Currently held by Szopa, Paul 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 AB0SB's current licensee, walking backwards.
- Szopa, Paul SMOgranted 1997-08-19cancelled 2001-09-06
Successor callsigns
Callsigns held now by people who previously held AB0SB.
No current licensee on record previously held this callsign.