Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W2JKK callsign genealogy
Currently held by Klingert, 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 W2JKK's current licensee, walking backwards.
- Klingert, John KNJgranted 2004-03-19cancelled 2004-05-08
Successor callsigns
Callsigns held now by people who previously held W2JKK.
No current licensee on record previously held this callsign.