Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK7Y callsign genealogy
Currently held by Weinstein, Sanford 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 NK7Y's current licensee, walking backwards.
- MATTHEW, KEVIN CWAgranted 2014-07-11cancelled 2020-09-04
Successor callsigns
Callsigns held now by people who previously held NK7Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NK7Y, oldest first.
- Weinstein, Sanford T OR2014-07-30 → cancelled 2018-08-15
- MATTHEW, KEVIN C WA2020-09-04 active