Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2NX callsign genealogy
Currently held by Crast, Jack H
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 AB2NX's current licensee, walking backwards.
- Crast, Jack HNYgranted 2002-07-22cancelled 2010-04-02
Successor callsigns
Callsigns held now by people who previously held AB2NX.
- Roberts, James MPAgranted 2022-05-12
All historical holders
Every license row we've seen with the callsign AB2NX, oldest first.
- Roberts, James M NJ2002-03-04 → cancelled 2002-04-04
- Crast, Jack H NY2020-03-10 active