Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MRC callsign genealogy
Currently held by Halbrooks, Terry W
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 W1MRC's current licensee, walking backwards.
- CROOK, MATTHEW RSCgranted 1997-12-02cancelled 2006-01-24
Successor callsigns
Callsigns held now by people who previously held W1MRC.
- Halbrooks, Terry WLAgranted 2003-10-28cancelled 2015-10-29
All historical holders
Every license row we've seen with the callsign W1MRC, oldest first.
- Halbrooks, Terry W LA1998-12-30 → cancelled 2003-10-28
- Crook Sr, Matthew R SC2025-11-19 active