Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5WKJ callsign genealogy
Currently held by JOHNSON, WILLIAM 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 K5WKJ's current licensee, walking backwards.
- JOHNSON, WILLIAM KLAgranted 2017-06-19cancelled 2017-07-11
Successor callsigns
Callsigns held now by people who previously held K5WKJ.
- JOHNSON, WILLIAM KLAgranted 2017-09-01