Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3DWR callsign genealogy
Currently held by MARKERT, OLAF N
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 KB3DWR'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 KB3DWR.
- Markert, Olaf NPAgranted 2000-12-01cancelled 2006-03-11