Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0ATP callsign genealogy
Currently held by BERG, BARRY 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 N0ATP's current licensee, walking backwards.
- OBORNY, MICHAEL JCOgranted 2016-08-30cancelled 2016-09-20
Successor callsigns
Callsigns held now by people who previously held N0ATP.
- Berg, Barry SMNgranted 2014-05-14cancelled 2019-05-24
All historical holders
Every license row we've seen with the callsign N0ATP, oldest first.
- BERG, BARRY S MN2004-07-08 → cancelled 2004-07-27
- OBORNY, MICHAEL J CO2026-07-15 active