Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3OH callsign genealogy
Currently held by BUSCH, ROBERT
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 K3OH's current licensee, walking backwards.
- BUSCH, ROBERTMDgranted 1992-05-12cancelled 2001-04-17
Successor callsigns
Callsigns held now by people who previously held K3OH.
No current licensee on record previously held this callsign.