Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2JKS callsign genealogy
Currently held by Seymour, John K
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 K2JKS's current licensee, walking backwards.
- Seymour, JohnNYgranted 2016-04-04cancelled 2016-04-26
Successor callsigns
Callsigns held now by people who previously held K2JKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2JKS, oldest first.
- KNUDSEN, JOHN P NY2003-11-12 → cancelled 2016-02-09
- Seymour, John K NY2026-04-14 active