Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB0DJR callsign genealogy
Currently held by Raab, David J
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 KB0DJR's current licensee, walking backwards.
- Raab, David JCOgranted 2005-02-22cancelled 2005-04-15
Successor callsigns
Callsigns held now by people who previously held KB0DJR.
- KRETSCHMAR, WILLIAM TMOgranted 1989-01-17cancelled 2001-01-18