Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0TOJ callsign genealogy
Currently held by Bjurstrom, Matthew R
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 KD0TOJ'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 KD0TOJ.
- Bjurstrom, Matthew RMNgranted 2012-11-02cancelled 2013-08-09