Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7OMJ 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 W7OMJ's current licensee, walking backwards.
- Bias, MatthewAZgranted 2012-03-05cancelled 2012-06-26
Successor callsigns
Callsigns held now by people who previously held W7OMJ.
- Bias, MatthewAZgranted 2014-01-31cancelled 2022-11-26