Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2CAA callsign genealogy
Currently held by Koh, Won Young
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 N2CAA's current licensee, walking backwards.
- Jacobson, Jeremy AAZgranted 2022-04-08cancelled 2026-01-24
Successor callsigns
Callsigns held now by people who previously held N2CAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2CAA, oldest first.
- Koh, Won Young NJ2005-01-07 → cancelled 2017-02-25
- Jacobson, Jeremy A AZ2026-01-24 active