Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4SOI callsign genealogy
Currently held by BINGHAM, KENNETH M
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 KE4SOI's current licensee, walking backwards.
- Bingham, Kenneth MWAgranted 2013-08-13cancelled 2013-09-04
Successor callsigns
Callsigns held now by people who previously held KE4SOI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4SOI, oldest first.
- BINGHAM, KENNETH M NC1994-11-04 → cancelled 2006-11-07
- Bingham, Kenneth NC2025-06-14 active