Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4C callsign genealogy
Currently held by GEOGHAGAN, DELMER D
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 KI4C's current licensee, walking backwards.
- De La Rivaherrera, Jose RamonFLgranted 2020-04-01cancelled 2020-12-11
- WP4CPCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KI4C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4C, oldest first.
- PALMER, LEONARD N NC1998-09-25 → cancelled 2006-09-21
- GEOGHAGAN, DELMER D AL2008-11-21 → cancelled 2020-11-24
- de la Rivaherrera, Jose Ramon FL2020-12-11 active