Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1IRS callsign genealogy
Currently held by Amateur International Radio System
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 WA1IRS's current licensee, walking backwards.
- KK6ZTFcancelledAmateur International Radio SystemCAgranted 2016-01-11cancelled 2016-02-02
Successor callsigns
Callsigns held now by people who previously held WA1IRS.
No current licensee on record previously held this callsign.