Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA7WJI callsign genealogy
Currently held by IRBY, WILLIAM J
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 KA7WJI's current licensee, walking backwards.
- IRBY, WILLIAM JMTgranted 2017-12-20cancelled 2018-02-03
Successor callsigns
Callsigns held now by people who previously held KA7WJI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7WJI, oldest first.
- IRBY, WILLIAM J MT2018-02-03 active
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