Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2ZEN callsign genealogy
Currently held by KATZ, MICHAEL S
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 N2ZEN's current licensee, walking backwards.
- BISOGNI, ADAM JNYgranted 2018-05-30cancelled 2020-04-25
Successor callsigns
Callsigns held now by people who previously held N2ZEN.
- Hogin, William SNMgranted 2014-06-17cancelled 2014-12-05
All historical holders
Every license row we've seen with the callsign N2ZEN, oldest first.
- KATZ, MICHAEL S NY1994-07-08 → cancelled 2006-07-11
- Hogin, William S NM2006-07-28 → cancelled 2014-06-17
- Bisogni, Adam J NY2020-04-25 active