Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW5OK callsign genealogy
Currently held by EDER, JOE E
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 KW5OK's current licensee, walking backwards.
- CAMPBELL JR, FRANK WTXgranted 2016-04-30cancelled 2018-01-30
Successor callsigns
Callsigns held now by people who previously held KW5OK.
- EDER, JOE EOKgranted 2018-02-13
All historical holders
Every license row we've seen with the callsign KW5OK, oldest first.
- CAMPBELL JR, FRANK W TX2018-01-30 active
- EDER, JOE E— → cancelled 1998-04-22