Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7RCK callsign genealogy
Currently held by Bias, Matthew
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 KD7RCK'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 KD7RCK.
- Bias, MatthewAZgranted 2012-06-26cancelled 2014-01-31