Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9AVP 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 KC9AVP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC9AVP.
- Rademacher, Eric SILgranted 2014-04-17cancelled 2026-06-17