Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4OLY callsign genealogy
Currently held by Banta, Oliver L
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 K4OLY's current licensee, walking backwards.
- Banta, Oliver LGAgranted 2011-12-19cancelled 2014-10-10
Successor callsigns
Callsigns held now by people who previously held K4OLY.
No current licensee on record previously held this callsign.