Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ZXR callsign genealogy
Currently held by Brigida, Joel M
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 K4ZXR's current licensee, walking backwards.
- Brigida, Joel MFLgranted 2013-10-17cancelled 2014-03-21
Successor callsigns
Callsigns held now by people who previously held K4ZXR.
- Brigida, Joel MFLgranted 2018-11-14