Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9KQB callsign genealogy
Currently held by Rademacher, Eric S
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 K9KQB's current licensee, walking backwards.
- Rademacher, Eric SILgranted 2002-01-03cancelled 2004-06-16
Successor callsigns
Callsigns held now by people who previously held K9KQB.
No current licensee on record previously held this callsign.