Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7JWK callsign genealogy
Currently held by Kroening Jr, John 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 K7JWK's current licensee, walking backwards.
- Kroening Jr, John WIDgranted 2017-01-09cancelled 2017-02-22
Successor callsigns
Callsigns held now by people who previously held K7JWK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7JWK, oldest first.
- WALINSKI, GERALD A AZ1997-11-10 → cancelled 2006-02-07
- Kroening Jr, John W TX2017-02-22 active