Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IBM callsign genealogy
Currently held by CEARLEY, STEVEN W
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 K0IBM's current licensee, walking backwards.
- CEARLEY, STEVEN WCOgranted 1999-02-03cancelled 2000-05-06
Successor callsigns
Callsigns held now by people who previously held K0IBM.
No current licensee on record previously held this callsign.