Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4IN callsign genealogy
Currently held by BORDE, EDGAR H
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 KO4IN's current licensee, walking backwards.
- Sutherland, Bruce MFLgranted 2003-11-20cancelled 2010-09-14
Successor callsigns
Callsigns held now by people who previously held KO4IN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO4IN, oldest first.
- BORDE, EDGAR H FL2001-05-30 → cancelled 2002-10-11
- Sutherland, Bruce M FL2020-07-10 active