Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4EOC callsign genealogy
Currently held by FIELDS, JAMES B
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 KB4EOC's current licensee, walking backwards.
- KM4RJOcancelledColumbia County EOCGAgranted 2016-02-23cancelled 2016-03-12
Successor callsigns
Callsigns held now by people who previously held KB4EOC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4EOC, oldest first.
- FIELDS, JAMES B TN1990-01-02 → cancelled 2002-03-07
- MARSHALL COUNTY AUXILIARY RADIO SERVICE AL2003-03-14 → cancelled 2015-03-17
- Columbia County EOC GA2016-03-12 active