Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5SJW callsign genealogy
Currently held by SIMON, 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 K5SJW's current licensee, walking backwards.
- Simon, John WOKgranted 2014-12-24cancelled 2015-01-21
Successor callsigns
Callsigns held now by people who previously held K5SJW.
- SIMON, JOHN WOKgranted 2018-05-18