Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NX2II callsign genealogy
Currently held by HALLIDAY, JAMES W
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 NX2II's current licensee, walking backwards.
- White, Sloane KMDgranted 2024-08-20cancelled 2024-12-10
Successor callsigns
Callsigns held now by people who previously held NX2II.
- RYAN, WILLIAM DMDgranted 2022-04-15
All historical holders
Every license row we've seen with the callsign NX2II, oldest first.
- HALLIDAY, JAMES W FL1999-03-26 → cancelled 2009-11-14
- RYAN, WILLIAM D MD2020-10-20 → cancelled 2022-04-15
- White, Sloane K MD2024-12-10 active