Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0MRX callsign genealogy
Currently held by Marx, Beau A
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 W0MRX's current licensee, walking backwards.
- Marx, Beau AWYgranted 2025-09-04cancelled 2025-09-23
Successor callsigns
Callsigns held now by people who previously held W0MRX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0MRX, oldest first.
- MORRISON, WILLIAM O MO1999-12-11 → cancelled 2011-12-13
- Marx, Beau A WY2025-09-23 active