Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK4S callsign genealogy
Currently held by REINEKE, FRED W
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 NK4S's current licensee, walking backwards.
- FRYE, JOHN FFLgranted 2003-10-31cancelled 2008-02-29
- N1LZQno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held NK4S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NK4S, oldest first.
- REINEKE, FRED W NC1996-01-22 → cancelled 2006-08-09
- FRYE, JOHN F FL2018-02-20 active