Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JNK callsign genealogy
Currently held by WINSOR JR, MILTON G
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 W4JNK's current licensee, walking backwards.
- KNIGHTON, JEREMY NNCgranted 2018-11-23cancelled 2018-12-15
Successor callsigns
Callsigns held now by people who previously held W4JNK.
- WINSOR JR, MILTON GALgranted 2023-07-12
All historical holders
Every license row we've seen with the callsign W4JNK, oldest first.
- WINSOR JR, MILTON G AL2006-11-02 → cancelled 2013-03-22
- KNIGHTON, JEREMY N NC2018-12-15 active