Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1NSS callsign genealogy
Currently held by Sach, Nicholas
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 N1NSS's current licensee, walking backwards.
- Sach, NicholasMDgranted 2018-01-25cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held N1NSS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1NSS, oldest first.
- CIRAVOLO, MARK R MA1992-11-10 → cancelled 2004-11-11
- Sach, Nicholas MD2018-11-06 active