Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2ZSB callsign genealogy
Currently held by Clohessy, Matthew T
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 N2ZSB's current licensee, walking backwards.
- Clohessy, Matthew TFLgranted 2004-06-18cancelled 2012-10-30
Successor callsigns
Callsigns held now by people who previously held N2ZSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2ZSB, oldest first.
- CONBOY, EDWARD J NY1994-07-15 → cancelled 2006-07-18
- Clohessy, Matthew T FL2022-10-21 active