Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7OST callsign genealogy
Currently held by Ostyn, Jonathan D
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 N7OST's current licensee, walking backwards.
- Ostyn, Jonathan DIDgranted 2024-03-05cancelled 2024-05-14
Successor callsigns
Callsigns held now by people who previously held N7OST.
- BARRY, MARGARET AAZgranted 2013-05-10cancelled 2025-05-13
All historical holders
Every license row we've seen with the callsign N7OST, oldest first.
- BARRY, MARGARET A AZ2010-02-27 → cancelled 2013-05-10
- Ostyn, Jonathan D ID2024-05-14 active