Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RCB callsign genealogy
Currently held by Blankenhorn, Richard C
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 K9RCB's current licensee, walking backwards.
- Blankenhorn, Richard CCAgranted 2009-10-01cancelled 2009-10-20
Successor callsigns
Callsigns held now by people who previously held K9RCB.
No current licensee on record previously held this callsign.