Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2ZRO callsign genealogy
Currently held by BALL, THOMAS 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 N2ZRO's current licensee, walking backwards.
- Sarmiento, RitchieNYgranted 2013-11-21cancelled 2014-11-08
Successor callsigns
Callsigns held now by people who previously held N2ZRO.
- BALL, THOMAS WPAgranted 2019-12-30
All historical holders
Every license row we've seen with the callsign N2ZRO, oldest first.
- BALL, THOMAS W PA1999-07-16 → cancelled 2000-03-14
- Sarmiento, Ritchie NY2024-10-16 active