Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3IOU callsign genealogy
Currently held by SOUTH WESTERN PA DIGITAL ASSOC
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 K3IOU's current licensee, walking backwards.
- KB3DJIcancelledBOYD, EUGENE Rcancelled 1999-03-11
Successor callsigns
Callsigns held now by people who previously held K3IOU.
No current licensee on record previously held this callsign.