Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK4Y callsign genealogy
Currently held by SPINGLER, EDWARD C
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 NK4Y's current licensee, walking backwards.
- SPINGLER, EDWARD CTNgranted 2021-12-17cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held NK4Y.
- Fraser, MarkNJgranted 2020-04-17cancelled 2026-06-02
All historical holders
Every license row we've seen with the callsign NK4Y, oldest first.
- GALANOS, ANTONIOS FL2008-06-11 → cancelled 2017-10-05
- Fraser, Mark NJ2019-10-25 → cancelled 2020-04-17
- SPINGLER, EDWARD C TN2022-05-06 active